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Assume that initially the wheelchair is stationary. When the rifle is fired a bullet travels in the forward direction. Conservation of momentum states that the momentum before an action is the same as ...
To start with, we should work out all of the quantities we need:
Mass of Trolley A: MA= 5kg
Mass of Trolley B: B weighs 10kg more tha...
Well for this question we can use the SUVAT equations. We'll see what values we have and what we're looking for.
So firstly we have the initial speed, often denoted usign the letter u. I'...
As there is a potential difference in the fluorescent tube. Electrons will flow from negative to the positive . These electrons collide with the orbital electrons in the atoms of the fluorescent tube. ...
At first as the car is on the top of the hill, it has GRAVITATIONAL POTENTIAL ENERGY
As the car rolls down the hill, GRAVITATIONAL POTENTIAL ENERGY changes to KINETIC ENERGY.
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