# Physics Honors Test Prep

7 Questions | Total Attempts: 173  Settings  Test Prep for Test 2 Physics Honors at Pine Crest School.

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• 1.
Suppose a 60-kg boy and a 41-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.
• A.

2.05 m/s2

• B.

2 m/s2

• C.

2.1 m/s2

• 2.
As a baseball is being caught, its speed goes from 29.0 m/s to 0.0 m/s in about 0.0050 s. The mass of the baseball is 0.130 kg. (a) What is the baseball's acceleration?
• A.

15800 m/s2

• B.

16000 m/s2

• C.

15800.0 m/s2

• D.

-16000 m/s2

• 3.
As a baseball is being caught, its speed goes from 29.0 m/s to 0.0 m/s in about 0.0050 s. The mass of the baseball is 0.130 kg. (b) What are the magnitude and direction of the force acting on it? *Pick 2 answers*
• A.

754 N

• B.

750 N

• C.

Same direction as velocity of the ball

• D.

Opposite in direction to velocity of the ball

• 4.
As a baseball is being caught, its speed goes from 29.0 m/s to 0.0 m/s in about 0.0050 s. The mass of the baseball is 0.130 kg. (c) What are the magnitude and direction of the force acting on the player who caught it? *Pick 2 answers*
• A.

754 N

• B.

750 N

• C.

Same direction as velocity of the ball

• D.

Opposite in direction to the velocity of the ball

• 5.
A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building. The scale reads 844 N. (a) As the elevator moves up, the scale reading increases to 930 N. Find the acceleration of the elevator.
• A.

1 m/s2

• B.

0.999 m/s2

• C.

0.99 m/s2

• 6.
• A.

-0.720 m/s2

• B.

0.720 m/s2

• C.

-1 m/s2

• D.

1 m/s2

• 7.
(c) Using your results from parts a and b, select which change in velocity, starting or stopping, takes the longer time. Think of an explanation.
• A.

Stopping

• B.

Starting

• C.

Neither