Question

A body starting from the rest travel a distance of 200m in 10 seconds calculate the value of acceleration.

Answer 1

Answer:Initial velocity (u) = 0

distance (s) =200 m

Time (t) =10 sec

To find : Acceleration

S = ut + 1/2at²

200 = 0*10 + 1/2 (a*(10)²)

200= 1/2(a*100)

2*200 = a*100

400 = a*100

400/100 = a

4 = a

Or, a = 4 m/s²

Explanation:

Answer 2

Answer:

Correct answer id

8ms

−2

Given,

u=0

s=100m

t=5s

Let, acceleration =a

∴s=ut+

2

1

at

2

100=(0×5)+(

2

1

×a×5

2

)

a=8ms

−2

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