PDT :  Rotational Kinematics

PDT : Rotational Kinematics

University

10 Qs

quiz-placeholder

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PDT :  Rotational Kinematics

PDT : Rotational Kinematics

Assessment

Quiz

Physics

University

Medium

Created by

Nursyafiqah KMM

Used 98+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A gear spins at a rate of 400 revolutions/minute. Which choice is closest to its angular speed in radians/second?

63.67 rad/s

41.9 rad/s

3819.71 rad/s

2594.31rad/s

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A flywheel starts from rest, and has an angular acceleration of 4 rad/s2. What will be its angular speed when it has made 2 revolutions?

7.09 rad/s

6.35 rad/s

10.03 rad/s

5.01 rad/s

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Two bugs ride a turntable which is rotating at a constant rate of 4 rad/s. Bug A is at a radius of 4 cm, while bug B is at a radius of 8 cm. What is the velocity of bug B?

32 cm/s

2 cm/s

0.30 cm/s

15 cm/s

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A 0.12-m-radius grinding wheel takes 5.5 s to speed up from 2.0 rad/s to 11.0 rad/s. What is the wheel's average angular acceleration?

9.6 rad/s2

1.6 rad/s2

4.3 rad/s2

6.2 rad/s2

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A 0.30m radius automobile tire rotates how revolutions it will make after starting from rest and accelerating at a constant 2.0 rad/s2 over a 5.0 s interval?

4 revolutions

2 revolutions

3 revolutions

5 revolutions

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

An object completes 1.5 circular orbits in half a minute. What is its approximate angular velocity?

0.052 rad/s

0.521 rad/s

0.314 rad/s

3.14 rad/s

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is NOT a unit of rotational speed?

Meters per second

Revolutions per second

Revolutions per minute

Rotations per second

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