Question
Fri October 05, 2012 By:
 

a block is thrown upwards with a kinetic energy of 1J. If it goes up to a maximum height of 1m find the mass of the block

Expert Reply
Sat October 06, 2012
using princile of energy conservation initial kinetic energy = final potential energy
 
thus
mgH = 1
m = 1/gH = 1/(10*1) = 0.1 kg
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