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Cerrena [4.2K]
3 years ago
10

Consider a golf club hitting a golf ball. To a good approximation, we can model this as a collision between the rapidly moving h

ead of the golf club and the stationary golf ball, ignoring the shaft of the club and the golfer. A golf ball has a mass of 46 g. Suppose a 200 g club head is moving at a speed of 40 m/s just before striking the golf ball. After the collision, the golf ball's speed is 60 m/sa) what is the momentum of the club and ball system right before the collision?b) immediately after the collision, the momentum of the club and ball system will be? (less than, the same as, or greater than before the collision)c)a manufacturer makes a golf ball that compresses more than a traditional golf ball when struck by a club. how will this affect the average force during the collison?d) by approximately how much does the club head slow down as a result of hitting the ball?Please show all work!
Physics
1 answer:
vekshin13 years ago
6 0

Answer:

1. 8.0kg * m/s

2. The same as before the collision

3. The force will decrease

4. 14 m/s

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The air in a room has a pressure of 1 atm, a dry-bulb temperature of 24°C, and a wet-bulb temperature of 17°C. Using the psychro
Licemer1 [7]

Answer:

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Wet-bulb temperature(Tw) = 17°C

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As we know that  psychrometric chart are drawn at constant pressure.

From the diagram

ω= specific humidity

Lets take these two lines   Dry-bulb temperature(T) line and Wet-bulb temperature(Tw) cut at point P

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You are a visitor aboard the New International Space Station, which is in a circular orbit around the Earth with an orbital spee
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Answer: 1.9 m/s

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The question should be:

If a 20 kg green fish swimming at 2 m/s swallows a 1 kg orange fish at rest, in what direction, and how fast  will the green fish swim after eating the orange fish?

Ok, here we have conservation of momentum.

At the beginning, the total momentum is equal to the sum between the momentum of the green fish and the momentum of the orange fish.

Where the momentum is written as:

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v = velocity.

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The momentum of the orange fish is:

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The total initial momentum is:

Pi = Pg + Po = 40 kg*m/s.

After the green fish eats the orange fish, we do not have an orange fish anymore, and the mass of the green fish will be equal to it's initial mass, plus the mass of the fish that it ate, this will be:

M = 20kg + 1kg = 21kg.

Then the momentum will be:

Pf = 21kg*V

Where V is the final velocity.

For conservation of momentum, the initial momentum is equal to the final momentum, then:

Pi = Pf

40 kg*m/s = 21kg*V

(40/21) m/s = 1.9 m/s = V

The fish's final velocity is 1.9 m/s

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2 years ago
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