Question

6. Answer the following:
(a) Define velocity. Give the SI unit of velocity.
(b) Define non-uniform acceleration.
(C) Give the formula of average velocity.
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Answer 1

Answer:

velocity : means the speed with which distance travelled per unit . SI unit : m/s

Non uniform acceleration means the accerstion is not provided contantly to the body. For eg for 10 min 10 m/s^2 acceleration is provided then 20 m per second square.

Average velocity = total distance travelled by the body divided by total time

Explanation:

Answer 2

Ans displacement per unit time is called as velocity. SI unit is

metre per second. non uniform acceleration you may tell that in a continuous motion in such a way that acceleration is changeing with

change in the time it is not constant it will give you the non uniform acceleration

Explanation: