a body of mass 1.5 kg is thrown vertically upwards with an initial velocity of 15m/s. what will be th3e potential energy at the end of 2sec. (g=10m/s)
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Given :
m=1.5kg
initial speed=u=15m/s
g=10m/s²
t=2sec
h=?
s=ut+1/2at2
h=15x2-1/2 x (10 x 2 x 2)
=30-20
10m
Potential energy=P.E=mgh
=1.5x10x10
=150J
m=1.5kg
initial speed=u=15m/s
g=10m/s²
t=2sec
h=?
s=ut+1/2at2
h=15x2-1/2 x (10 x 2 x 2)
=30-20
10m
Potential energy=P.E=mgh
=1.5x10x10
=150J
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