Question

In a uniformly accelerated motion from rest a body travels a distance x in first two seconds and a distance y
in next two seconds. The relation between x and y is

A) y = 4x B) y = x
C) y = 3x D) y = 2x

Pls answer this Question with explanation.
No Scam.

Answer 1

Answer:

Correct option is C)

→ Distance Travelled in 2 sec

S=ut+

2

1

at

2

u=0t=2$$

∴x=0+

2

1

a2

2

=x=2a⇒a=

2

x

Distance travelled in 4 sec Distance travelled in 2 sec= Distance travelled in next 2 sec

∴y=

2

a

(4)

2

−

2

a

(2)

2

=8a−2a=6a

∴y=6a⇒y=6

2

(x)

[∵x=2a a=

2

x

]

∴y=3x

Answer is C