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blsea [12.9K]
3 years ago
15

Can a object have have zero velocity and nonzero acceleration?

Physics
1 answer:
vladimir1956 [14]3 years ago
3 0

Answer:

yes

Explanation:

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Select a musical instrument. Research the instrument and explain how it works in terms of sound production and resonance. Descri
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1. I think a drum would be the easiest instrument to explain. You can vary the pitch and loudness by hitting it with different intensities or at different points or angles.

PS. I'm not talking about a drumset. I'm talking about an ordinary drum.

2. Different types of instruments sound different even though they play the same notes because they use different mechanisms for producing sound.

7 0
3 years ago
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2 years ago
Two marbles, one twice as heavy as the other, are dropped to the ground from the roof of a building. Just before hitting the gro
Andreyy89

Answer:

 B. twice as much kinetic energy

Explanation:

Lets take the mass of the first marble =2 m

the mass of the second marble = m

We know that velocity of particle does not depends on their mass that is the velocity of both mass will be same after dropping from the roof.

We know that kinetic energy of a mass is given as

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Kinetic energy for light mass

KE'=\dfrac{1}{2}\times m\times V^2

KE=2 KE '

Form above two equation we can say that ,the kinetic energy for the heavier mass is twice the lighter mass.

Therefore the answer will be B.

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Your body also transforms what energy
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How are musical instruments grouped?
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A and B are equivalent.  That's one way instruments are often grouped. (the "sopranos", the "altos", the "bass")

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D is another way instruments are often grouped; (the "strings", the "percussions")

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