At a given moment in time, instantaneous speed can be thought of as the magnitude of instantaneous

Physics

2 answers:

ValentinkaMS [17]3 years ago

7 0

Answer:

the answer is velocity on apex

kaheart [24]3 years ago

5 0

At a given moment in time, the instantaneous speed can be thought of as the magnitude of instantaneous velocity.

Instantaneous speed is the magnitude of the instantaneous velocity, the instantaneous velocity has direction but the instantaneous speed does not have any direction. Hence, the instantaneous speed has the same value as that of the magnitude of the instantaneous velocity. It doesn't have any direction.

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A kid pulls on a rope with 20 newtons of force. The block and tackle system pulls up a 160 newton box. What is the mechanical ad

Minchanka [31]

Answer:
The mechanical advantage of the system is 8

Explanation:
the mechanical advantage measures how much the system multiplies the input force to get the output.

In the given:
The input force (effort) is 20 Newton
The output force (load) is 160 Newton

This means that the mechanical advantage is:
mechanical advantage = load / effort = 160 / 20 = 8

Note that the mechanical advantage is unit-less (has no unit) since it is a ratio between two forces.

Hope this helps :)

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3 years ago

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Artemon [7]

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3 years ago

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Sauron [17]

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<h3>What is magnetic force?</h3>

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$\rm F=qvBsin\theta$