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zaharov [31]
4 years ago
9

Do the rider and bicycle have energy while coasting down the hill? If so, explain.

Physics
2 answers:
ch4aika [34]4 years ago
6 0

The bicycle and the person on it are in motion. therefore anything is motion has energy.

masha68 [24]4 years ago
3 0
They have potential energy! :)
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An irregularly shaped rock is placed in 50 mL of water. The new reading in the container is now 74.2 mL. If the mass of the rock
cricket20 [7]

Taking into account the definition of density, the density of the rock is 3.6583 g/mL.

<h3>Definition of density</h3>

Density is defined as the property that matter has to compress into a given space.

In other words, density is a quantity that allows us to measure the amount of mass in a certain volume of a substance.

The expression for the calculation of density is:

density= mass÷ volume

From this expression it can be deduced that density is inversely proportional to volume: the smaller the volume occupied by a given mass, the higher the density.

<h3>Density of the rock</h3>

In this case, you know that:

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Replacing in the definition of density:

density of rock= 88.53 g÷ 24.2 mL

Solving:

<u><em>density of rock= 3.6583 g/mL</em></u>

In summary, the density of the rock is 3.6583 g/mL.

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2 years ago
Determine the electric field (in N/C) required to give the maximum possible deviation angle. (Enter the magnitude.)
Zigmanuir [339]

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Maximum angle = 3.43⁰

Explanation:

Say that you are given the following information:

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the maximum angle is given by the formula:

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substituting the values l and d gives:

tan\theta _{max} = \frac{0.03}{0.5}

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