# JEE (Based on NTA Guidelines-IIT Engg.) Advanced Physics: Questions 1 of 278

» Kinematics » Uniformly Accelerated Motion

Appeared in Year: 2011

MCQ▾

### Question

An object, moving with a speed of is decelerated at a rate given by:

Where, is the instantaneous speed. The time taken by the object, to come to rest, would be: (AIEEE)

### Choices

Choice (4) | Response | |
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a. |
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b. |
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c. |
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d. |

## Answer

a.

## Explanation

According to question, an object decelerated at a rate,

Integrating the equation (1),

At

Substitute in equation (2),

The time taken by the object to come to rest is,