Question

12 A particle start mowing from rest with uniform acceleration. It travels a distance x in the first
2 sec and m disandey in the next 2 sec
. Then
1)y=x
2) y = 2x
3) y = 3x
4)y=4x​

Answer 1

Explanation:

u = 0 m/s

S = x

Let acceleration be = a

t = 2 s

$s = ut + \frac{1}{2} \times a \times {t}^{2}$

$x = \frac{1}{2} \times a \times 4 = 2a$

Now ,

S = x + y

t = 4 s.

$x + y = \frac{1}{2} \times a \times 16 = 8a$

$x + y = 4(2a)$

x = 2a

$x + y = 4x$

$y = 3x$

Therefore , it is your answer.

I hope it helps you. If you have any doubts, then don't hesitate to ask.