The Princeton Review Chapter 9 Rotational Motion

Descripción

AP Physics C Test sobre The Princeton Review Chapter 9 Rotational Motion, creado por Anibal Santamaria el 03/08/2017.
Anibal Santamaria
Test por Anibal Santamaria, actualizado hace más de 1 año
Anibal Santamaria
Creado por Anibal Santamaria hace más de 6 años
1950
0

Resumen del Recurso

Pregunta 1

Pregunta
A compact disc has a radius of 6 cm. If the disc rotates about its central axis at an angular speed of 5 rev/s, what is the linear speed of a point on the rim of the disc?
Respuesta
  • 0.3 m/s
  • 1.9 m/s
  • 7.4 m/s
  • 52 m/s
  • 83 m/s

Pregunta 2

Pregunta
A compact disc has a radius of 6 cm. If the disc rotates about its central axis at a constant angular speed of 5 rev/s, what is the total distance traveled by a point on the rim of the disc in 40 min?
Respuesta
  • 180 m
  • 360 m
  • 540 m
  • 720 m
  • 4.5 km

Pregunta 3

Pregunta
A disc starts at rest and experiences constant angular acceleration of 4 rad/s^2. When the disc has gone through a total angular displacement of 50 rad, what is its angular speed?
Respuesta
  • 12 rad/s
  • 15 rad/s
  • 16 rad/s
  • 20 rad/s
  • 23 rad/s

Pregunta 4

Pregunta
An object, originally at rest, begins spinning under uniform angular acceleration. In 10 s, it completes an angular displacement of 60 rad. What is the numerical value of the angular acceleration?
Respuesta
  • 0.3 rad/s^2
  • 0.6 rad/s^2
  • 1.2 rad/s^2
  • 2.4 rad/s^2
  • 3.6 rad/s^2
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