Qualification > Sciences
Physics gce o level paper 1 and 2!!2010
DrEvil:
--- Quote from: iluvme on June 07, 2010, 06:08:07 pm ---OMG!! me too i ddnt understnd the Q!! Well sum parts!!
The othr parts were better than this Q!!
Anyways wat was the answer u gt for the parachutist moving Question? was it frm Kinetic to Potential?
--- End quote ---
The MCQ one, right?
That was Kinetic Energy to Thermal Energy.
iluvme:
How in the wrld can that be? the parachutist was MOVING!! But now it'll be 37/40 now!!
DrEvil:
--- Quote from: iluvme on June 07, 2010, 06:17:49 pm ---How in the wrld can that be? the parachutist was MOVING!! But now it'll be 37/40 now!!
--- End quote ---
It was moving with a constant speed. So there was no conversion of Potential Energy because P.E is due to a position of an object not due to the motion of the object. As air resistance is a frictional force, the energy conversion will be from K.E ---> T.E.
DrEvil:
--- Quote from: iluvme on June 07, 2010, 06:17:49 pm ---How in the wrld can that be? the parachutist was MOVING!! But now it'll be 37/40 now!!
--- End quote ---
Which were the other two that you got wrong?
iluvme:
Cant remember exactly!! I was in a bubble b4 because I was sure I'd get 38 and now u broke my bubble!! :( :(
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