Question

if the distance covered by a body is s = at 1/2 bt2 , then the acceleration of the will be

(a) a , (b) b , (c) 2b (d) a+b ​

Answer 1

Answer:

Correct option is

C

2

s=t

2

−2t+5

a=

dt

2

d

2

s

dt

ds

=2t−2

dt

2

d

2

s

=2

∴a=2