Purchase Solution

The constant angular acceleration of wheels

Not what you're looking for?

Ask Custom Question

A wheel is revolving at 20.0 rad/s when a brake is engaged and the wheel is brought to a uniform stop in 15.92 revolutions. How long did it take to stop the wheel and what was the deceleration?

Purchase this Solution
Solution Summary

After being given the information on the number of revolutions and speed of the wheel, the time in stopping the wheel, as well as its deceleration, were both found in the solution.

Solution Preview

Solution:
For 15.92 revolutions, it equals 2pi*15.92=100 rad
First we calculate ...

Purchase this Solution
Free BrainMass Quizzes
The Moon

Test your knowledge of moon phases and movement.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

Basic Physics

This quiz will test your knowledge about basic Physics.

View More Free Quizzes
Related BrainMass Solutions

  • angular velocity and angular acceleratoin

    A circular disk of radius 0.010 m rotates with a constant angular speed of 5.0 rev/s. What is the acceleration of a point on the angle of the disk? 10. A bicycle with wheels of radius 0.4 m travels on a level road at a speed of 8 m/s.

  • Rotational Dynamics:Motion of wheels of an stopping airplane

    At touchdown the wheels begin to spin under the action of friction. Each wheel supports a weight of 1.50 x 10^4 N, and the wheels attain the angular speed of rolling without slipping in 0.5 s.

  • Problems of Velocity, Angular Velocity and Acceleration in Trains and Wheels

    42497 Problems of Velocity, Angular Velocity and Acceleration in Trains and Wheels Question 1: A train accelerates uniformly along a straight track and passes three trackside markers.

  • 25 Multiple Choice question all mechanics, Fully explained

    A grindstone of radius 4.0 m is initially spinning with an angular speed of 8.0 rad/s. The angular speed is then increased to 10 rad/s over the next 4.0 seconds. Assume that the angular acceleration is constant.

  • Calculation of Engine Power

    The coefficient of rolling resistance between the wheels and the road is 0.3. Calculate the engine power required such that the vehicle will have an acceleration of 0 to 80 km/hr in 3.5seconds.

  • Kinetic energy, planetary mases, Bernoulli's Principle

    Each wheel supports a weight of 1.4*10^4N and the wheels attain the angular speed of rolling without slipping in 0.48s. What is the coefficent of kinetic friction between the wheels and the runway? Assumespeed of airplane is constant.

  • dynamics and inertia

    Let us assume, acceleration of the vehicle = a Therefore, cable acceleration = 2*a Hence, drum C angular acceleration: alphaC = 2*a/rC rC (radius of C) = 150 mm = 0.15 m Let us assume tension in other side of the cable (towards D) = T2 Hence

  • Ballistics cart on an incline

    The cart (including wheels) has a mass M and the moment of inertia of each of the four wheels about its axle is mR^2/2.

  • Problems on circular and rotational motion

    A car is moving along a horizontal road at a constant velocity that is directed 45 degree south of east. What is the direction of the angular velocity of the wheels of the cart?

View More Related Solutions