Curriculum
Course: AP PHYSICS 1
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Curriculum

AP PHYSICS 1

1. Kinematics

0/29

2. Force and Translational Dynamics

0/73

3. Work, Energy, and Power

0/31

4. Linear Momentum

0/29

5. Torque and Rotational Dynamics

0/37

6. Energy and Momentum of Rotating Systems

0/27

8. Fluids

0/30
Quiz

5.1.6 Rotational Kinematics Equations – Check yourself

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1.
Which equation gives the final angular velocity for constant α?
ω = ω₀ + αt
ω = ω₀ + αt²
ω = α/t
ω = ½αt²
2.
A wheel starts from rest with α = 2.0 rad/s². Its angular displacement after 5.0 s is
10 rad
50 rad
25 rad
5.0 rad
3.
A wheel slows from 30 rad/s to rest in 6.0 s. Its α is
+5.0 rad/s²
−5.0 rad/s²
−180 rad/s²
+0.2 rad/s²
4.
A disc speeds up from 4.0 rad/s to 10 rad/s while turning through 28 rad. Which equation is best to find α?
ω = ω₀ + αt
Δθ = ω₀t + ½αt²
v = rω
ω² = ω₀² + 2αΔθ
5.
A wheel rotating at 10 rad/s accelerates at 3.0 rad/s² for 2.0 s. Its final ω is
12 rad/s
16 rad/s
22 rad/s
6.0 rad/s
6.
How many revolutions does a wheel make in turning through 31.4 rad?
100
31.4
10
5.0
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