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DerKrebs [107]
2 years ago
9

What is the movement of air parallel to Earth's surface called?

Chemistry
1 answer:
loris [4]2 years ago
8 0

Answer:

Wind is the movement of air parallel to Earth's surface.

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Answer:

The Kinetic Energy is approximately 3 times decreased

Explanation:

A baseball weighs 5.13 oz.  

a)What is the kinetic energy, in joules, of this baseball when it is thrown by a major league pitcher at 95.o mi/h?  

b) By what factor will the kinetic energy change if the speed of the baseball is decreased to 54.8 mi/h? Express your answer as an integer.

Kinetic Energy (KE)=0.5×mass×velocity ^ 2

Kinetic Energy (KE)=0.5×mass × velocity ^ 2

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1 mile = 1609.344 meters

1 hour = 3600 sec

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a) KE=0.5×m×v^2

=0.5×(5.13 oz × 0.02834952 kg/1 ounce)×(95 miles/h × 1609.344 m/1 mile × 1 hr/3600 s)^2

=130.761 kg×m^2/s^2 = 130.761 Joules

b) KE=0.5×m×v^2

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=43.51028 kg×m^2/s^2 = 43.51028 Joules

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