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Vector diagram showing an aircraft flying at 200 m/s north with a wind blowing at 50 m/s from west. Therefore the problem involves pythagoras theorem.
So, the Mag...
Stationary waves are waves that do not transfer energy. These occur where both ends of the wave are in fixed positions. An example of this would be a string on a violin. As the wave reachs the end of t...
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'...
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