alright, thank you. also could you pls just kill yourself? i give you 1/3 for your lack of sensitivity, it was just a silly mistake.If that was a 3 mark question, you would get 1/3.
Incorrectly using the formula (neglecting - sign).
Incorrect answer because it is positive.
For Work Done, it is Ep(final)-Ep(initial), if you're lifting against gravity, it is positive (c). Don't forget, 'd' is distance in metres from the other CENTRE OF MASS in METRES.
just to reiterate, kill yourself. fullysrs/10