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General Physics
Test Description: General review of physics concepts.
Instructions: Answer all questions to get your test result.
1) Scalar is to vector as...
A
speed is to distance.
B
speed is to velocity.
C
displacement is to velocity.
D
displacement is to distance.
2) A rock is dropped from a bridge. What happens to the magnitude of acceleration and the speed of the rock as it falls? [Neglect friction.]
A
Acceleration increases and speed decreases.
B
Both acceleration and speed remain the same.
C
Acceleration remains the same and speed increases.
D
Both acceleration and speed increase.
3) Which statement correctly describes one characteristic of a sound wave?
A
A sound wave is a transverse wave.
B
A sound wave can travel through a vacuum (empty space).
C
The amount of energy a sound wave transmits is directly related to the wave\'s frequency.
D
The amount of energy a sound wave transmits is directly related to the wave's amplitude.
4) On the atomic level, energy and matter exhibit characteristics of...
A
waves, only.
B
particles, only.
C
neither particles nor waves.
D
both particles and waves.
5) A student pull a 60-N sled with a force having a magnitude of 20-N. What is the magnitude of the force that the sled exerts on the student?
A
60-N
B
40-N
C
20-N
D
80-N
6) In a vacuum (empty space), all electromagnetic waves have the same...
A
speed
B
wavelength
C
frequency
D
phase
7) A 0.5-kg cart is rolling at a speed of 0.4 m/s. If the speed of the cart is doubled, the inertia of the cart is...
A
doubled
B
quadrupled
C
halved
D
unchanged
8) As a ball falls freely toward the ground, its total mechanical energy...
A
remains the same
B
increases
C
is converted to thermal energy.
D
decreases
9) The gravitational potential energy, with respect to Earth, that is possessed by an object is dependent on the objects...
A
momentum
B
acceleration
C
speed
D
position
10) A car is driven south in a straight line with decreasing speed. The acceleration of the car must be...
A
zero
B
directed southward
C
constant, but not zero
D
directed northward
*select an answer for all questions
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