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Gnoma [55]
3 years ago
9

When a cannon is fired, what newton law does is it represent?

Physics
2 answers:
lesantik [10]3 years ago
8 0

Answer:

hiiii!!!!

Explanation:

makkiz [27]3 years ago
3 0
1. Answer: Newton's third law

Explanation:

The forces on both cannon and ball are equal, but they do not have equal acceleration.

Newton's third law states that for every action there must be an equal and opposite reaction, so the forces on the cannon and cannonball are equal in magnitude (but not direction).

The acceleration for both objects are not equal as:

acceleration = force/mass

and the mass of the cannon is larger than the mass of the cannonball, so the acceleration is lesser for the cannon than for the cannonball.



2. Answer: Newton's Third Law

Explanation: Seat belts stop you tumbling around inside the car if there is a collision. Upon sensing a collision the seat belts lock in place. When the car crashes, there is no unbalanced force acting on the person, so they continue forward (Newton's First Law). The person moves against the seat belt, exerting a force on it. The seat belt then exerts a force back on the person (Newton's Third Law). This causes a controlled deceleration of the person.

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The joule and the kilowatt-hour are both units of energy. 15 kw · h is equivalent to how many joules? answer in units of j.
choli [55]

The solution for the problem is:

1 Watt = 1 Joule per second 
1 Watt*second = 1 Joule 

a Kilowatt is 1,000 Watts 
an hour is 60 seconds times 60 minutes or 3,600 seconds 
a Kilowatt * hour is 1,000 Watts in 3,600 seconds 

15 W*h = 15,000 Watt*hour = 15,000 Watt * 3,600 seconds = 54,000,000 Watt*second 

54,000,000 Watt*second = ? Joules 
54,000,000 Joules / second = 54,000,000 Watts

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Check out this app! It's millions of students helping each other get through their schoolwork. https://brainly.app.link/qpzV02Ma
brilliants [131]

Answer:

ok ty

Explanation:

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Answer:

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v = 8.0 m/s

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