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Intermediate
Conceptual
MCQ

Which statement is true about the distances the two objects have traveled at time \( t_f \)?

Advanced
Mathematical
FRQ

A mass \( m_1 \) traveling with an initial velocity \( v \) has an elastic collision with a mass \( m_2 \) that is initially at rest.

Beginner
Conceptual
MCQ

For linear motion the term “inertia” refers to the same physical concept of

Advanced
Mathematical
GQ

A red car, initially at rest, travels east with an acceleration of \( 3.5 \, \text{m/s}^2 \). At the same time as the red car starts to move, a blue car is traveling west at \( 15 \, \text{m/s} \) and accelerating at \( 1.2 \, \text{m/s}^2 \). If they are \( 600 \, \text{m} \) apart the moment the red car starts to move and they are traveling towards each other, where and when will they meet?

Beginner
Conceptual
GQ

If the acceleration of an object is \( 0 \), are no forces acting on it? Explain.

Beginner
Conceptual
MCQ

When a skier skis down a hill, the normal force exerted on the skier by the hill is

Advanced
Mathematical
GQ

Three blocks of masses \(5 \, \text{kg}\), \(4 \, \text{kg}\), and \(3 \, \text{kg}\) are placed side by side in that order. A \(25 \, \text{N}\) force applied on the \(5 \, \text{kg}\) block accelerates all three blocks together to the right. Find the acceleration of the blocks and the normal force the \(4 \, \text{kg}\) block exerts on the \(3 \, \text{kg}\) block.

Beginner
Conceptual
GQ

In archery, should the arrow be aimed directly at the target? How should your angle of aim depend on the distance to the target? Explain without using equations.

Intermediate
Mathematical
MCQ


A point on the edge of a disk rotates around the center of the disk with an initial angular velocity of 3 rad/s clockwise. The graph shows the point’s angular acceleration as a function of time. The positive direction is considered to be counterclockwise. All frictional forces are considered to be negligible.

Intermediate
Mathematical
MCQ

What is the net torque acting on the pivot supporting a \(10 \, \text{kilogram}\) beam \(2 \, \text{meters}\) long as shown above? Assume that the positive direction is clockwise.

Advanced
Mathematical
GQ

An Olympic bobsled team goes through a horizontal curve at a speed of \( 120 \) \( \text{km/hr} \). If the radius of curvature is \( 10.0 \) \( \text{m} \), what is the apparent weight the crew experiences—express in terms of \( mg \)?

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