Question

2 points
Q.11 a bus moving along
straight line at 20m/s
undergoes acceleration of
4m/s? After 2 seconds, its
speed will be *
O A. 8m/s
O B. 12m/s
C. 16m/s
O D. 28m/s​

Answer 1

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Answer:

D) 28 m/s

Explanation:

we knew the formula

V = U + AT

here U = 20

T = 2

A = 4

V = 20 + 4(2)

V = 20 + 8

V = 28 m/s

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Answer 2

Answer:

The answer is:

D.28m/s

Explanation:

Initial velocity of the bus , u=20m/s

acceleration a=4m/s^2

time , t= 2s.

as the bus going in the same straight line

final speed(velocity), v= u + a t

V=20 + (4x2)=28m/s

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