Question

5) What is the rate of change of
velocity of an object called?
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Answer 1

Answer:

Answer:The rate of change of velocity is ACCELERATION. Like velocity, acceleration is a vector and has both magnitude and direction. The velocity of an object is the speed of an object moving in a definite direction.

Answer 2

Answer:

rate of change of velocity means the velocity is changing in a given unit of time

so this term the rate of change of velocity is called as acceleration

for an example

the velocity in the first second is 20 metre per second

and the velocity in the 2nd second is 30 metre per second

so here you can observe that the velocity changes buy 10 metre per second in one second from 20 metre per second to 30 metre per second

i hope it may help you