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Physics

How do physics and technology are connected with each other?

Physics has vast applications and one of them is in the field of technology. An example would be the technologies such as nuclear reactors which can be utilised to generate huge amounts of energy are based on the principles of nuclear physics. If you wanna explore this more, here is a quick read which you might find interesting: https://www.europhysicsnews.org/articles/epn/pdf/2018/05/epn2018495p... more

Soumya Sri Pichuka
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827 students helped

Physics

How is the conservation of energy apply to a pendulum swinging

In the rest position (at equilibrium) before the pendulum is swinging its KE = 0 and the GPE = 0. As the pendulum moves upwards it gains both KE and GPE and at its max height GPE = maximum, but there is a small moment when at the max height the pendulum does not move, so even though as the pendulum climbed upwards it gained KE, right at the top where it halts for just a split second, whilst GPE... more

Venus Ahmed
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528 students helped

Physics

Different between potential difference and current

Current: The rate of flow of charges Potential difference: Work done to move a unit charge between two points in an electrical circuit. in very very very simple terms: Current: how quickly the charges (electrons) are moving in a circuit Potential difference: how much energy is needed to move these charges between 2 points in a circuit. Any more questions? Feel free to message me :)

Soumya Sri Pichuka
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827 students helped

Physics

A space shuttle has an acceleration of 29 m/s2 . The initial velocity is 2 m/s. Calculate the velocity of the shuttle after 8 seconds.

Given Data: Acceleration = a = 29 m/(s)^2 Initial Velocity = Vi = 2 m/s Time = t = 8 sec Final Velocity = Vf = ? Solution: According to Newton’s First Law of Motion, Vf = Vi+at -------eq(1) Put the values from given data in eq(1), we get, Vf = 2+(29)(8) = 234 m/s

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1.6k students helped

Physics

A Diesel engine is supplied with 6000j of chemical energy and usefully transfers 2100j what is the efficiency

efficiency = useful power out/total power in 2100/6000=0.35 could also be written as a percentage so 0.35=35%

Daria Krymkowska
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266 students helped

Physics