Question

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

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

Answer 2

Explanation:

hey sanchita...

2 is the answer