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garri49 [273]
3 years ago
8

If a car was moving at a speed of 25mph for 6 hours, how far would the car travel?​

Physics
1 answer:
Anestetic [448]3 years ago
7 0

Answer:

150 miles

Explanation:

25mph x 6hrs = 150miles

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A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total
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Explanation:

Given Data

Total mass=93.5 kg

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rock speed=16.5 m/s

To Find

The speed of the wagon

Solution

As the wagon rolls, momentum is given as

P=mv

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v is speed

put the values

P=93.5kg × 0.540 m/s

P =50.49 kg×m/s

Now we have to find the momentum of rock

momentum of rock = mv

momentum of rock = (0.310kg)×(16.5 m/s)

momentum of rock =5.115 kg×m/s  

From the conservation of momentum we can find the wagons momentum So

wagon momentum=50.49 -5.115 = 45.375 kg×m/s  

Speed of wagon = wagon momentum/(total mass-rock mass)

Speed of wagon=45.375/(93.5-0.310)

Speed of wagon= 0.487 m/s

Throwing rock backward,

momentum of wagon = 50.49+5.115 = 55.605  kg×m/s

Speed of wagon = wagon momentum/(total mass-rock mass)

speed of wagon = 55.605  kg×m/s/(93.5kg-0.310kg)

speed of wagon= 0.5967 m/s

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3 years ago
Uma massa de 500 Kg desloca-se com velocidade 58 km por hora. Calcule o módulo de sua quantidade por movimento
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The momentum of the object is 8050 kg m/s

Explanation:

The momentum of an object is defined as

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p=(500)(16.1)=8050 kg m/s

Learn more about momentum:

brainly.com/question/7973509

brainly.com/question/6573742

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Answer:

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