Question

A force of 1 Newton act on a body of mass 10 kg. As a result the body covers 100 centimeters in 4 sec movie along a straight line.Find the initial velocity?​

Answer 1

Answer: acceleration,a= 1/10 =0.1

Displacement,s =100 cm = 1m

Time,t= 4 sec

Using 2nd equation of motion,

s= ut + 1/2 at^2

》1= u×4 + 1/2 × 0.1× 16

》1= 4u + 0.8

》0.2 = 4u

》u = 0.2/4 = 0.05 m/s = 5cm/s

Answer 2

Answer:

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