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Chapter 4: Q13Q (page 83)

(a) Is it possible to be accelerating while traveling at constant speed? Is it possible to round a curve with (b) zero acceleration and (c) a constant magnitude of acceleration?

Short Answer

Expert verified
  1. Yes
  2. No
  3. Yes

Step by step solution

01

Given information

Different conditions to check the possibility of acceleration.

02

To understand the concept

This problem is based on concept of centripetal acceleration due to motion on curved path.

Formulae:

a=v2r

03

(a) Is it possible to be accelerating while travelling at constant speed?

It鈥檚 possible to be accelerating with constant speed if, direction is continuously changing. i.e. circular motion with constant speed. Because acceleration is a vector quantity.

04

(b) Is it possible to round a curve with zero acceleration?

It鈥檚 not possible because there is acceleration due to change in direction of velocity.

05

(c) Is it possible to round a curve with a constant magnitude of acceleration?

It鈥檚 possible to round a curve with a constant magnitude of acceleration because if circular motion is constant, acceleration is also constant.

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