Question

A body moving with a constant acceleration
travels the distances 3 m and 8 m respectively in
1 s and 2 s. Calculate : (i) the initial velocity, and
(ii) the acceleration of body.
Ans. (i) 2 m s', (ii) 2 ms2​

Answer 1

Answer:

Using, s=ut+

2

1

at

2

s

1

=u+

2

1

a

or, 3=u+

2

a

∴a=6−2u

s

2

=2u+

2

1

a×4

8=2u+2a

Solving the equations

8=2u+2(6−2u)

8=2u+12−4u

2u=4

u=2m/s

∴a=6−2u=6−4=2m/s

2

here is the correct answer please mark me brainliest and give thanks