Question

4. The displacement of a body is given by 2 = 4 + 5t where x is in metre and t is in second. The difference between the average
velocity of the body in the time-intervalt=1 s to t=2s and its instantaneous- velocity at t=is is
(a) 20.0 m/s
(6) 22.5 m/s
(c) 27.0 m/s
(d) 39.0 m/s
Correct: a

Answer 1

Answer:

20m/s

Explanation:

it is right answer o