Question

30. The moving objects with initial velocity 7 m/s travels 92 m distance in 4 seconds.
Find its acceleration?
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Answer 1

Answer:

S = vit+1/2at²

92 = 7×4+1/2 a×(2)²

92 = 28+1/2 a× 4

92 = 28 + 2a

92-28/2 =a

a = 32 m/s ²

Hope it will help you!

Answer 2

Answer:

u=7m/s

distance= 92 m

t= 4 s

To find : acceleration

By using:

s= ut+1/2 at^2

92 = 7 × 4 + 1/2 × a × 4×4

92=28+1/2×a×16

92=28+8a

8a= 92-28

8a= 64

a= 64÷8

a=8 m/s^2