Asked by Anonymous
an object of mass 100kg is released from a height of 4m.calculate it's kinetic energy just before it hits the ground.take g=10m/s
Answers
Answered by
bobpursley
The KE will equal the max PE at which it started.
KE=mgh=100*g*4 joules
g is not 10m/s^2 anywhere on Earth. Fire your teacher for teaching you that. Use 9.81m/s^2
KE=mgh=100*g*4 joules
g is not 10m/s^2 anywhere on Earth. Fire your teacher for teaching you that. Use 9.81m/s^2
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