# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Dr. Badi provided

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## Hi, I'm Dr. Badi

“I am an experienced former university lecturer ( in engineering ), and have taught mathematical subjects for many years. For school levels, I have tutored maths at both Advanced Level and GCSE with very successful results. I have also taught basic numeracy for mature students. My aim is to raise the achievements of my students through guided revision and confidence building.

### Dr. Badi is verified

Our verification process ensures that teachers meet our high standards of quality & excellence.

### My education

#### Queen Mary University of London

Mechanical Engineering - PhD (1978 - 1982)

#### Queen Mary University of London

MSc Systems Eng. - M (1977 - 1978)

#### Queen Mary University of London

Mechanical Engineering - 2:1 (1970 - 1973)

### My availability

### My answers

Asked by Myp.Phe Edify

Physics 🚀# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

700000/35= 20000 m/s Unrealistic !!!

Asked by Myp.Phe Edify

Physics 🚀# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Average speed is 700000/35 = 20000 m/s Unrealistic as it is approx 58 times the speed of sound !!!

Asked by Tayla&

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

By measuring data at equal intervals and for accuracy the intervals need to be as close as possible and hence more frequent

Asked by Liam

History 🕌# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

The obvious answer their religion is Islam and the three crusades lasted around 200 years so there were many armies during that time to name a coup...Learn more

Asked by Kochava

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

LCD(5/33, 1/22) = LCM(33, 22) = 2×3×11 = 66

Asked by Emilloa

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

30 degrees = pi/6 Demoivers theorem states R e^(jtheta) = R [cos(theta) + j sin(theta)] Hence 20sin(1000t-pi/6) = Im [ 20 e^(1000t-pi/6) Where Im ...Learn more

Asked by Samm

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Briefly Technology is primarily based on Engineering which has its basis on Physics and Maths. So physics is the basic science of understanding natu...Learn more

Asked by Izzie

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Newly Industrialised Country (NIC) is a term used by economists to describe countries such as Turkey, Malaysia, China, India etc... countries who’s ...Learn more

Asked by Ella

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

These are equations which relate variables and should be solved at the same time by eliminating one variable then by substitution finding the others...Learn more

Asked by Jt

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Draw a Ven diagram ie a rectangle with 2 circles one for F and the other for C the intersection overlap will have the 10 who play both outside the c...Learn more

Asked by Cristina

Physics 🚀# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

1.016 atm converted to kPa = 102.946 kPa Use Boyle’s Law P1 V1 = P2 V2 So 1750 x 102.946 =35 V2 From this V2 = (1750x 102.946)/35 So V2 = 5247.3 ...Learn more

Asked by Lorry

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

What is the question ?

Asked by Joe

History 🕌# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

San Marino a microstate within a state surrounded by Italy was founded in 301 AD. It founded originally as a monastery and sits on top of Monte Tet...Learn more

Asked by Aimee

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

There are three basic components of concrete Cement, Sand and Aggregate ( mixture of sand, gravel and crushed stones ). The grades of concrete are c...Learn more

Asked by Liam

Geography 🗺# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Limestone and hydrochloric acid has metathesis ( Double decomposition) reaction: the equation is CaCO3 + 2HCl = CaCl2 + CO2 ↑ + H2O, solid calcium c...Learn more

Asked by Jeniffer

History 🕌# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Basically with the expulsion of Moors and Jews from Spain the Spanish Inquisition was a tribunal started in 1478 in Spain. It was started by Ferdin...Learn more

Asked by Duafatema

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

(2-4x)^q = 2^q (1-2x)^q Binomial expansion (1+x)^n = (1+nx+......etc.) So above becomes 2^q (1 -2qx+...) Coefficient of x is -2^(q+1)q = -32q Then (...Learn more

Asked by Caitlin Grace

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

The squared equation is a circle who’s centre is the origin and radius 3 units. The linear equation is a straight line of Y=-x + 2 Solo of -1 and ...Learn more

Asked by Tasnim

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

I’m wondering as to why this question is repeated so many times !

Asked by Blessing

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

The composition of exhaled air (air that is breathed out) is very different from the composition of inhaled air (air that is breathed in). Inhaled a...Learn more

Asked by Syed

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

https://m.youtube.com/watch?v=SDxGAH83cuo

Asked by Hajar

Physics 🚀# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

The fuel for burning is the wax which is constantly decreasing once it is turned into vapour it combines with the air oxygen to form the flame.

Asked by Bella

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

If you have 2 points then you can substitute in the equation and find the slope m and the y intercept c

Asked by Bella

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Y=mx*c Sub gives -3=3m+c Also 2=-2m+c Subtract both equations You get 5=-5m So m=-1 Sub into either equation C=0 Therefore y=-x Is equation of the...Learn more

Asked by Georgia

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

9x+3 Are you sure this is the full question?

Asked by Shelina

Quraan 📗# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Simply - Arabic is the language of the Quran Islamic Studies is the study of History of Islamic civilisation and Quranic teaching is the study of th...Learn more

Asked by Sefi

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Assuming that there are no other costs then the profit is simply £9.63 - £2.14 = £7.49 % profit from his expenditure of £2.14 = (7.49 / 2.14) x100 ...Learn more

Asked by Elee

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

What is your question for ord diff equns ???

Asked by Freya

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Simply bring x to RHS and the numbers to LHS so you get 4x-2x = 14 - 2 2x = 12 Divide both sides by 2 x = 2

Asked by Jake

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Symmetrical bending of beams is the basis of the linear flexure equation or bending theory for a beam supported (simple or cantilever ) subjected to...Learn more

Asked by Jake

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Have a look at this link Check out the worked examples http://www.engineeringcorecourses.com/solidmechanics2/C2-bending/C2.1-unsymmetric-bending/t...Learn more

Asked by Paula

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

I have answered this already but briefly again longitudinal wave is when particles move inline with the wave progression such as sound waves and tra...Learn more

Asked by Benjamin

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

A tangent to a curve is the slope of a line just touching the curve can be found by differentiation of the equation of the curve. If what you are lo...Learn more

Asked by Jake

Physics 🚀# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

All this depends on the cross section of the cantilever and how it is supported then you build the theoretical model. Units of Young’s Modulus are P...Learn more

Asked by Selina

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Easiest is the geometric solution if you draw squares on each side of the right angled triangle you’ll find that the area of the square along the hy...Learn more

Asked by Gaby

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Simply multiply 0.09 by $30 and it gives you $2.7 Which is your tax !

Asked by Jude

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

An area ratio is found by the square of length ratio. So simply work out the area of the smaller shape then multiply it by the ratio of the lengths ...Learn more

Asked by Nawaar

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Start off by using tan^2(A/2) = ( sin^2(A)/(1+cosA)^2) So tan^2(x/2) = ( sin^2(x)/(1+cosx)^2) = ( 1- cos^2(x))/(1+cosx)^2 = (1-cosx)(1+cosx)/((1+c...Learn more

Asked by Sahma

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Simply the answer is incorrect if you substitute n=1 for first term in your equation you’ll get 7 while it should be 5. The correct answer is as fol...Learn more

Asked by Melina

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Longest side is the hypotenuse so by Pythagoras (6.3)^2 = (5.7)^2 + x^2 Rearranging x = Sqrt((6.3)^2 - (5.7)^2) So x = 2.68 3sf

Asked by Lara

Physics 🚀# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Simply use the equation v=u+at assuming car started from rest then initial velocity u=0 so final velocity v = 15*2=30 m/s^2

Asked by Ian

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Try examsolutions.net for Maths

Asked by Fatima

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

The usual double use tool such as the knife for good or evil. There are huge number of invaluable resources on the net one example of many available...Learn more

Asked by Ruby

Career Advice 👨🚀# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Maths and biology are an ideal combination for a career in Computational Biology or Bioinformatics also BigData, but you have to start by doing a f...Learn more

Asked by Daisy

Physics 🚀# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Electrical conductivity will decrease as rust or iron oxide can contain moisture and becomes a poor conductor.

Asked by Daisy

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Copper is a far better conductor than graphite and is universally used for making wires. Graphite is more resistive and a poorer conductor.

Asked by Kij

Arabic ع# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Arabic is a phonetic language so once you learn the alphabet the words are pronounced as they’re written, although unlike Indo-European languages it...Learn more

Asked by Art

Economics 📈# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

https://www.fruugo.co.uk/multiplication-table-poster-print-20-x-20/p-15597638-33458823?ac=google&gclid=EAIaIQobChMI1cnakL-q4AIVDLDtCh1Kvw_aEAQYASABE...Learn more

Asked by Kane

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

https://www.fruugo.co.uk/multiplication-table-poster-print-20-x-20/p-15597638-33458823?ac=google&gclid=EAIaIQobChMI1cnakL-q4AIVDLDtCh1Kvw_aEAQYASABE...Learn more

Asked by Devendran

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

I answered this above !

Asked by Faizah

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Use the constant acc eq S= ut + (1/2)at^2 21= 35.5 t -(1/2) 9.81 t^2 9.81 t^2 - 71t + 42=0 Solving quadratic in t gives t= 0.649. and t= 6.59 s S...Learn more

Asked by Faizah

Physics 🚀# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Use s=ut+(1/2)at^2 Positive upwards -h=100(25)-(1/2)9.81(25^2) h= 565m

Asked by Faizah

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

I already answered this question !

Asked by Faizah

Physics 🚀# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Use s=ut+(1/2)at^2 Stone1 S1=20(2)-(1/2)9.81(4) S1=20.38m Stone2 S2=20(2)+(1/2)9.81(4) S2=59.62m Adding s1+s2= 80m

Asked by Simran

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Trigonometry is from Greek trigōnon “ triangle" and metron “ measure" , is a branch of mathematics that studies relationships involving lengths and ...Learn more

Asked by Devendran

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Use 2 algebraic equations Total no of teachers 128 x male teachers and y female teachers so x+y = 128 .... eq 1 Number of teachers who own cars = ...Learn more

Asked by Paula

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Transverse Waves is when the vibration or displacement of the medium is perpendicular to the direction of propagation of the wave. An example of th...Learn more

Asked by Max

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

If you mean humans then it is estimated between 1 million to half a million years ago.

Asked by Selina

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

A triangle that has one 90 degrees angle !

Asked by Selina

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

An equilateral triangle is one which has all sides equal and internal angles are each 60 degrees.

Asked by Santhi

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

3(22)= 66 man-days to finish 1 block For 3 identical blocks 3(66) = 198 man-days are needed so for 2 men working (198/2)=99 days are needed.

Asked by Ahmed

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Prime Number is a number that is divisible only by itself and 1 (e.g. 2, 3, 5, 7, 11).

Asked by Robert

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

JavaScript or Python

Asked by Jess

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

In this case you simply remove the brackets and then solve the equation normally.

Asked by Engrils

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Quadratic equations are ones with x^2 in other words a variable x to the power 2. Usually takes the form: a x^2 + b x + c =0 Can be solved by facto...Learn more

Asked by Dee

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

DescriptionA papal bull is a type of public decree, letters patent, or charter issued by a pope of the Roman Catholic Church. It is named after the...Learn more

Asked by Vicky

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Simply divide and multiply by 100 % boys = (231/440)x 100 = 52.5 %

Asked by Vicky

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Simply divide and multiply by 100 % boys = (231/440)x 100 = 52.5 %

Asked by Lacey

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

A prime number is one which does not divide into multiples of smaller numbers and are all odd numbers so not divisible by 2. For 540 you start by di...Learn more

Asked by Lacey

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

A prime number is one which does not divide into multiples of smaller numbers and are all odd numbers so not divisible by 2. For 540 you start by di...Learn more

Asked by Sophie

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

30% of 35 =(30/100)x 35 = 0.3 x 35 = 10.5

Asked by Lily

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Your question is not clear and incomplete but if you mean (v/7x) = (w/y) Easiest way is to flip both sides upside down so (7x/v) = (y/w) Multiply bo...Learn more

Asked by Fatima

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

If you want help with this question then you have to ask it properly. Anyway this is Geometric Series with sum S S = (a(1-r^n) ) / (1-r) a is first...Learn more

Asked by Mary

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Congruent triangles are those which have the same identical length sides and the same angles but could be in different positions or orientations.

Asked by Anna

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Pythagoras theorem States that in a right angled triangle if you square the Hypotenuse c which is longest side facing the right angle (90 degrees) i...Learn more

Asked by Fran

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Warten Use google translate https://translate.google.co.uk/#view=home&op=translate&sl=auto&tl=de&text=wait

Asked by Josh

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

You need to know at least one angle otherwise it is impossible

Asked by Niamh

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Friction is the resistance force encountered when two surfaces rub on each other.

Asked by Beckypennant@Btinternet.Com

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Electric current is the flow of electric charge. In electric circuits this charge is often carried by electrons moving through a wire. The charge fl...Learn more

Asked by Faith

Maths 💯# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

4% of 14120 = 1.04x14120 = 14684.8

Asked by Isabella

General 🏛# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

Best to give an example x^2 -6x +8=0 can factorise it easily but by completing the square you do this (x-3)^2 +8 -9 =0 so (x-3)^2 - 1= 0 So basicall...Learn more

Asked by Lola

Physics 🚀# Dr. Badi M

Experienced Academic and dedicated tutor for all levels.

This would be s huge list ! Basically for uniformly distributed weight one the cg and mass centre coincide. A rough guide of this condition is that ...Learn more