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konstantin123 [22]
2 years ago
10

One Newton is equivalent to A. 1 kg/s2 B. 1 kg*m/s C. 1 kg*m/s2 D. 1 kg/s

Physics
1 answer:
Shalnov [3]2 years ago
7 0

Answer:

1 N =

1kg \: ms { }^{ - 2}

Explanation:

force = mass × acceleration

1N = 1kg × 1 m/s^2 =

1kg \: ms {}^{ - 2}

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Explanation:

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This rock, known as balance rock, sits on a thin spike of rock in a canyon in idaho. explain the forces that keep the rock balan
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Answer:

Action force and Reaction force

Explanation:

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Which of the following is true in regard to a charged atom?
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Use the work-energy theorem to determine the force required to stop a 1000 kg car moving at a speed of 20.0 m/s if there is a di
Vlad1618 [11]

Answer:

4.44 kN in the opposite direction of acceleration.

Explanation:

Given that, the initial speed of the car is, u=20m/s

And the mass of the car is, m=1000 kg

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And the final speed of the car is, u=0m/s

Now initial kinetic energy is,

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Substitute the value of u and m in the above equation, we get

KE_{i}=\frac{1}{2}(1000kg)\times (20)^{2}\\KE_{i}=20000J

Now final kinetic energy is,

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Substitute the value of v and m in the above equation, we get

KE_{f}=\frac{1}{2}(1000kg)\times (0)^{2}\\KE_{i}=0J

Now applying work energy theorem.

Work done= change in kinetic energy

Therefore,

F.S=KE_{f}-KE_{i}\\F\times 45=(0-200000)J\\F=\frac{-200000J}{45}\\ F=-4444.44N\\F=-4.44kN

Here, the force is negative because the force and acceleration in the opposite direction.

6 0
2 years ago
A rock that contains enough of a particular substance to make it worth mining is called a(n) _____.
lora16 [44]

Answer:

The answer is A .

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