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Georgia [21]
3 years ago
13

Instructions:Select all the correct answers.

Physics
2 answers:
irina1246 [14]3 years ago
7 0
Correct option - 2

As the golf ball hits the ground it exerts some force on the ground.In return the ground will exert an opposite and equal force on the golf ball.

Hope This Helps You!
melomori [17]3 years ago
6 0
The answer would be B: The ground exerts an equal force on the golf ball.
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Why should it take significantly more energy to move a beam of alpha particles than a beam of beta minus (β–) particles?
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An 'alpha particle' is the same thing as the nucleus of a helium atom ... 
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The mass of an alpha particle is more than 7,000 times the mass of 
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Claudia throws a baseball to her dog. Which free-body diagram shows the
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only the weight of the ball will act on the ball

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6 0
3 years ago
A generator is designed to produce a maximum emf of 190 V while rotating with an angular speed of 3800 rpm. Each coil of the gen
Zinaida [17]

Answer:

The number of turns of wire needed is 573.8 turns

Explanation:

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magnetic field, B = 0.052 T

The number of turns of the generator is calculated as;

emf = NABω

where;

N is the number of turns

\omega = 3800 \frac{rev}{min} \times \frac{2\pi}{1 \ rev} \times \frac{1 \min}{60 \ s } = 397.99 \ rad/s

N = \frac{emf}{AB\omega } \\\\N = \frac{190}{0.016 \times 0.052\times 397.99} \\\\N = 573.8 \ turns

Therefore, the number of turns of wire needed is 573.8 turns

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3 years ago
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