A stone of mass 2kg is projected upward with a speed of 144km/h.Determine :(1) The time taken to reach the maximum height (2)The potential energy of the stone of the maximum height (g=10km/s
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initial velocity,u=144km/h
=40m/s
mass of stone=2kg
1)here, final velocity at maximum height (h) v=0
v=u+at
0=40+10t
40/10=t
4s=t
hence , the time take. to reach at maximum height,=4s
=40m/s
mass of stone=2kg
1)here, final velocity at maximum height (h) v=0
v=u+at
0=40+10t
40/10=t
4s=t
hence , the time take. to reach at maximum height,=4s
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