Free Printable AP1 Fall Final Exam Prep

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AP1 Fall Final Exam Prep

Total questions: 8

Worksheet time: 12mins

Name

Class

Date

An object begins at position $x=0$ and moves one-dimensionally along the x-axis with a velocity $v$ expressed as a function of time $t$ according to the graph above. At what time does the object pass through $x=0$ again?

Between 10 s and 20 s

Between 20 s and 30 s

At 30 s exactly

Between 30 s and 40 s

A rock of mass $m$ is thrown horizontally off a building from a height $h$ , as shown above. The speed of the rock as it leaves the thrower’s hand at the edge of the building is $v_0$ . How much time does it take the rock to travel from the edge of the building to the ground?

$\sqrt{h v_0}$

$h / v_0$

$2h / g$

$\sqrt{2h / g}$

On Earth, when a box slides across a horizontal board, the board exerts a frictional force of magnitude $F_0$ on the box. The board and the box are moved to a planet with twice the radius but one-third the mass of Earth. When the box slides across the board, the frictional force exerted by the board on the box is now

$\tfrac{1}{12}F_0$

$\tfrac{1}{6}F_0$

$\tfrac{2}{3}F_0$

$F_0$

A cart of mass $m$ rolls past the circular bottom of a hill (point $P$ ). Which of the following statements about the normal force $F_n$ exerted on the cart at point $P$ is correct?

$F_n = mg$ , because the normal force on an incline is equal to $mg \cos \theta$ and $\theta = 0$ at point $P$ .

$F_n = mg$ , because the speed of the cart is neither increasing nor decreasing at point $P$ .

$F_n$ is equal to the centripetal force on the cart at point $P$ , because only the track can exert a force toward the center of the circle.

$F_n$ is greater than $mg$ at point $P$ , because the cart is experiencing an upward acceleration.

Refer to the following material to answer the questions. The stacks of boxes shown in the figure above are inside an elevator that is moving upward. The masses of the boxes are given in terms of the mass M of the lightest box. How does the magnitude of the force exerted by the top box on the bottom box compare with the magnitude of the force exerted by the bottom box on the top box for each of the stacks?

The two magnitudes are always equal in each of the stacks.

The two magnitudes are always different in each of the stacks.

The two magnitudes are equal when the boxes have equal mass and different when the boxes have different masses.

The two magnitudes are equal when the elevator is moving at constant speed and different when it is accelerating.

The system shown above is released from rest. If friction is negligible, the acceleration of the 4.0 kg block sliding on the table shown above is most nearly

$1.7\frac{m}{s^2}$

$3.3\frac{m}{s^2}$

$5.0\frac{m}{s^2}$

$10.0\frac{m}{s^2}$

The figure above shows the net force exerted on an object as a function of the position of the object. The object starts from rest at position x = 0 m and acquires a speed of 3.0 m/s after traveling a distance of 0.090 m. What is the mass of the object?

0.015 kg

0.030 kg

0.045 kg

0.060 kg

A rock of mass m is thrown horizontally off a building from a height h, as shown above. The speed of the rock as it leaves the thrower's hand at the edge of the building is v_o.

What is the kinetic energy of the rock just before it hits the ground?

$mgh$

$\frac{1}{2}mv_0^2-mgh$

$\frac{1}{2}mv_0^2+mgh$

$\frac{1}{2}mv_0^2$

100 %

AP1 Fall Final Exam Prep

Total questions: 8

Worksheet time: 12mins

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