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elena-14-01-66 [18.8K]
3 years ago
12

A car moved 120km to the north. what is its displacement?

Physics
1 answer:
inn [45]3 years ago
5 0
120Km. They are the same
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A baseball player hits a ball with 400 n of force.how much does the ball exert on the bat
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Answer:

The ball exerts a force of 400 N on the bat.

Explanation:

Given that,

A baseball player hits a ball with 400 N of force.

We need to find the force the ball exert on the bat.

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According to Newton's third law, when object 1 exerts a force on an object 2, then object 2 will exert a force on object 1 but in opposite direction.

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2 years ago
A charged particle is moving in a uniform magnetic field at a speed of 8.2Ã10^3 m/s in a direction 87° from the direction of th
77julia77 [94]

Answer:

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The magnetic force is given by :

F=qvB\ sin\theta

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B=\dfrac{F}{qv\ sin\theta}

B=\dfrac{0.002}{5.7\times 10^{-6}\times 8.2\times 10^3\times sin(87)}

B = 0.042 T

So, the strength of the magnetic field is 0.042 Tesla. Hence, this is the required solution.

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