Question

A rechical accelerates uniformly from
relocity of 8 km per hour to 24 k m per
hown in 4 sec. defarmind the accleriton
and distance travel by
the time?
eat during​

Answer 1

Step-by-step explanation:

Given

u=0

v=144kmph=144×

18

5

=40m/s

t=20sec

We know,

v=u+at

40=a×20

a=2m/s

2

Now,

s=ut+

2

1

at

2

s=

2

1

at

2

=

2

1

×2×20

2

=400m