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AleksandrR [38]
3 years ago
12

A human hair is approximately 50 pm in diameter. Express this diameter in meters.

Physics
1 answer:
cupoosta [38]3 years ago
4 0

A human hair is approximately 50 μm = 5 × 10⁻⁵ m  in diameter

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You are tossing a ball directly up into the air. Before the ball leaves your hand, you are exerting a force directed against the
DaniilM [7]

Answer:

F n = 0.2 N

Explanation:

given,                                      

you are exerting force of 10 N on the ball.

mass of the ball = 1 kg              

acceleration due to gravity  = 9.8 m/s²

normal force on the ball = ?          

normal force is force exerted by the object to counteract the force from other object.                

normal force acting on the ball will be

F n = F - mg                          

F n = 10 - 1 × 9.8                        

F n = 10 -9.8                    

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A patient has an ongoing history of cancer. She has a tumor in the abdominal region, and has been undergoing treatment for it. T
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Explanation:

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6 0
3 years ago
How much heat is needed to raise the temperature of 9g of water by 17oC?
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Two in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are separated by a distance of 5.0
e-lub [12.9K]

Answer:

f = 421.8 Hz

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\frac{\lambda}{2} = 0.4066

\lambda = 0.813

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f = \frac{v}{\lambda}

f = \frac{343}{0.813}

f = 421.8 Hz

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3 years ago
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6 0
3 years ago
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