Question

what is mean by deceleration....? DEAR'S ...​

Answer 1

Answer:

It is the also known as negative acceleration.

Explanation:

Deceleration can be observed in daily life when we look at lets say, a moving car ( for making things simple We shall consider it be 1D motion ) on a straight highway. But if we do observe it we may see that its speed starts decreasing and it may eventually stop. This slowing down of motion of car and eventually stopping is called deceleration.

Answer 2

Answer:

Deceleration results in decrease in speed i.e magnitude of velocity. In one dimensional motion, the “deceleration” is defined as the acceleration which is opposite to the velocity.

Explanation:

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