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slava [35]
3 years ago
6

Which one of the following statements does not accurately describe vibrations?

Physics
2 answers:
Ivanshal [37]3 years ago
6 0

This is an example of resonance - when one object vibrating at the same natural frequency of a second object forces that second object into vibrational motion. The result of resonance is always a large vibration.

Answer D. Forced vibrations, such as those between a tuning fork and a large cabinet surface, result in a much lower sound than was produced by the original vibrating body Because this statement contridicts the above statement, it is not accurate

Cloud [144]3 years ago
5 0
I'm sure it is D if i remember my Physics correctly 
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The earplug can reduce the sound level to about 18 decibels (dB). What percentage reduction is this intensity?
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A train travels 200km/hr. how much distance will the train be from the station in 2.5 hours?
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Answer:

500km

Explanation:

Given parameters:

Speed  = 200km/hr

Time taken  = 2.5hrs

Unknown:

Distance  = ?

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6 0
2 years ago
A tennis player swings and hits the ball away. How does the force of the tennis racket affect the motion of the ball
defon

The force of the racket affects the ball's motion because it changes the momentum of the ball.

<h3>Impulse received by the ball</h3>

The impulse received by the ball through the racket affects the motion because it changes the momentum of the ball.

The ball which is initially at rest, will gain momentum after been hit with the racket.

J = ΔP = Ft

where;

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  • F is the applied force
  • t is the time of action

Thus, the force of the racket affects the ball's motion because it changes the momentum of the ball.

Learn more about impulse here: brainly.com/question/25700778

4 0
2 years ago
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