How much do you have to increase the vertical distance to double the impact speed of an object?

Physics

1 answer:

sergey [27]2 years ago

5 0

Twice the distance to double an impact

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List the steps you would use to reach one of your personal growth goals.

Zinaida [17]

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3 years ago

In a collision between two unequal masses, which mass receives a greater magnitude impulse?

Contact [7]

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2 years ago

How does negative work on a system occur?

ad-work [718]

Answer:

The negative work is done in the opposite direction of the movement.

Explanation:

When the force applied to the body acts contrary to the movement of the body, it is considered that a negative mechanical work is performed.

In the attached image, we can see how these forces acting over one body.

In the sketch we can see how the force is moving the block to the right, it means in the direction of the movement and the friction force is acting in the opposite direction of the movement, that is the reason that the work is negative.

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2 years ago

A barge ﬂoating in fresh water (p = 1000 kg/m3) is shaped like a hollow rectangular prism with base area A = 550 m2 and height H

Karolina [17]

Answer:

a) $\Delta m = 330000\,kg$ , b) $h = 1.268\,m$

Explanation:

a) According the Archimedes' Principle, the buoyancy force is equal to the displaced weight of surrounding liquid. The mass of the coal in the barge is:

$\Delta m \cdot g = \rho_{w}\cdot g \cdot \Delta V$