A constant force of 5 n is applied continuously on a body of mass 10 kg for 4 second. The body moves 800 cm along straight line. What is the velocity of body ehen force was applied initially
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F = ma
a = F/m
a = 5 N / 10 kg = 0.2 m/s²
S = ut + at²/2
8 m = 4u + 4*4²/2
8 = 4u + 32
4u = 24
u = 6
★ Thus, intial velocity of object is 6 m/s
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