(1); A loaded sack of total mass 50kg falls down from the top of a lorry 2meter high, calculate the work done by gravity on the load.
(2) a lorry of mass 50kg runs up a set of steps of total hight 3 meter, find the done against gravity.
(3); calculate the kinetic energy experience by an object of 50kg moving through velocity of 10 meter per seconds.?
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Asked by Judith on 19th September, 2023
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