Question

a body starts from rest and moves with a uniform acceleration of of 4 m/s calculate the displacement of the body and 10 seconds​

Answer 1

Answer:

by using second equation of motion

s=ut+1/2at²

s=0×10+1/2×4×10²

s=0+200

s=200

so displacement =200m

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Answer 2

Initial velocity of the body u=0

Let the constant acceleration be a.

Displacement of the body S=ut+

2

1

at

2

∴ S=0+

2

1

at

2

We get S=

2

at

2

Thus, displacement of the body is directly proportional to the square of the time.