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Sergeeva-Olga [200]
2 years ago
15

A 2.0-kilogram ball rolls down a ramp. if the ball accelerates at a rate of 12 m/s2, the net force causing the acceleration is:

Physics
1 answer:
ehidna [41]2 years ago
7 0

Answer:

D

Explanation:

f = ma

2 x 12 = 24

answer could differ since it's rolling down a ramp. if an angle is given our approach differs.

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What is the wavelength of a sound wave<br> with a speed of 331 m/s and a frequency<br> of 500 Hz?
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Answer:

0.777m

Explanation:

The sound wave has a wavelength of 0.773m.

Explanation:

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One end of a string 4.32 m long is moved up and down with simple harmonic motion at a frequency of 75 Hz . The waves reach the o
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