3 years ago

What is the purpose of using a wedge?

Physics

1 answer:

valentinak56 [21]3 years ago

4 0

Think of a wedge as something you put in between objects, so it is a separates objects

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How does a water molecule transfer from the ocean to form part of a cloud in the atmosphere?

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The molecule escapes the ocean via evaporation and then becomes part of a cloud via condensation.

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4 years ago

How much charge must pass by a point in a wire in 1.5 s for the current inb the wire to be 2.0 A?

skelet666 [1.2K]

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3 Coulombs

Explanation:

Q = Current x time

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4 years ago

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3 years ago

A piece of taffy slams into and sticks to another identical piece of taffy that is at rest. The momentum of the two pieces stuck

-Dominant- [34]

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C. 50%

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Lets consider that the mass of taffy is m and its initial velocity is u and final velocity is v. Momentum is conserved so we can write it as,

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The initial kinetic energy = $\frac{mu^{2} }{2}$

As the Kinetic energy partly converted into heat.

The final kinetic energy = $\frac{m(\frac{u}{2})^{2} }{2}$ = $\frac{mu^{2} }{4}$

Change in the kinetic energy = $\frac{mu^{2} }{2} - \frac{mu^{2} }{4} = \frac{mu^{2} }{4}$

now we can determine the fraction of kinetic energy that has turned into heat

= $\frac{Heat energy}{initial K.E}$ = $\frac{\frac{mu^{2} }{4} }{\frac{mu^{2} }{2} } = 1/2$

= 50%

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4 years ago

Which topic are you most likely to find in a physics textbook?

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Electricity and Magnetism

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3 years ago