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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.]
directed northward
Acceleration remains the same and speed increases.
unchanged
position
waves, only.
remains the same
The amount of energy a sound wave transmits is directly related to the wave's amplitude.
speed
In a vacuum (empty space), all electromagnetic waves have the same...
directed northward
Acceleration remains the same and speed increases.
unchanged
position
waves, only.
remains the same
The amount of energy a sound wave transmits is directly related to the wave's amplitude.
speed
The gravitational potential energy, with respect to Earth, that is possessed by an object is dependent on the objects...
directed northward
Acceleration remains the same and speed increases.
unchanged
position
waves, only.
remains the same
The amount of energy a sound wave transmits is directly related to the wave's amplitude.
speed
On the atomic level, energy and matter exhibit characteristics of...
directed northward
Acceleration remains the same and speed increases.
unchanged
position
waves, only.
remains the same
The amount of energy a sound wave transmits is directly related to the wave's amplitude.
speed
A car is driven south in a straight line with decreasing speed. The acceleration of the car must be...
directed northward
Acceleration remains the same and speed increases.
unchanged
position
waves, only.
remains the same
The amount of energy a sound wave transmits is directly related to the wave's amplitude.
speed
Which statement correctly describes one characteristic of a sound wave?
directed northward
Acceleration remains the same and speed increases.
unchanged
position
waves, only.
remains the same
The amount of energy a sound wave transmits is directly related to the wave's amplitude.
speed
As a ball falls freely toward the ground, its total mechanical energy...
directed northward
Acceleration remains the same and speed increases.
unchanged
position
waves, only.
remains the same
The amount of energy a sound wave transmits is directly related to the wave's amplitude.
speed
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...
directed northward
Acceleration remains the same and speed increases.
unchanged
position
waves, only.
remains the same
The amount of energy a sound wave transmits is directly related to the wave's amplitude.
speed
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