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jarptica [38.1K]
3 years ago
14

A tennis player's racket applies an average force of 200. newtons to a tennis ball for 0.025 second. The average force exerted o

n the racket by the tennis ball
is
Physics
1 answer:
Sever21 [200]3 years ago
6 0

Answer:

200N

Explanation:

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a)

• P = F/A

P = pressure = 630 N/m^2

F = force

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F = mg = 0.50 kg x 9.8 m/s^2 = 4.9 N

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g= gravity

P = F/A

A = F/P

A = 4.9 N / 630 N/m^2 = 7.778 x 10^-3 m^2

b)

• Area of a circle = pi* radius ^2

7.778 x 10^-3 m^2 = pi* radius ^2

√(7.778 x 10^-3 m^2 / pi ) = radius

radius = 0.04976 m

Answers:

a ) 7.778 x 10^-3 m^2

b) 0.04976 m

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ratiation

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Answer:

11:10 will be the time. reflection causes the object to be flipped when you see its image at the mirror

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MrMuchimi
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Vector sum of 15 m, East and 9 m, West is 24 m, East. True False
Firlakuza [10]

Answer:

False

Explanation:

Because when you go through east

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I hope that it's a clear ") .

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