3 years ago

What do we call the potential mechanical energy stored in an object when work is performed to change its shape?

Physics

1 answer:

Tom [10]3 years ago

7 0

C) kinetic energy :)

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Explain how the technology of doing math and adding numbers has changed over time this is science

gizmo_the_mogwai [7]

It has changed because earlier in the days people couldn't even figure out if the world was flat or round but now we can add decimals and multiply fractions.

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3 years ago

A plane traveling north at 100.0 km/h through the air gets caught in a 40.0 km/h crosswind blowing west. This turbulence caused

Nonamiya [84]

Answer:

The velocity $\vec{v}_{c/g}$ of the cart with respect to the ground is

$\vec{v}_{c/g}=-40\hat{x}+80\hat{y}\, km/h$

if we consider North the positive y-direction and East the positive x-direction.

Explanation:

We have for relative motion the following expression:

$\vec{v}_{c/g}=\vec{v}_{c/p}+\vec{v}_{p/g}$

Where $\vec{v}_{c/g}$ is the velocity of the cart with respect to the ground, $\vec{v}_{c/p}$ is the velocity of the cart with respect to the plane and $\vec{v}_{p/g}$ is the velocity of the plane with respect to the ground.