3 years ago

A skydiver has jumped out of a plane and is falling faster and faster. what forces are present in this situation

Physics

1 answer:

kompoz [17]3 years ago

5 0

Gravity and air resistance

i took the test and got 100%

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0.46km

Explanation:

45963cm/100cm=459.63m/1000m=0.45963 or 0.46km

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2 years ago

An electric field around two charged objects is shown.

mamaluj [8]

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X: positive

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What is the difference between light energy and heat energy

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What is the difference between heat and light? - Physics Stack ... Heat and light are different but they are both forms of energy. Heat is a form of kinetic energy contained in the random motion of the particles of a material. Light is a form of electromagnetic energy. As with other forms of energy, heat energy can be transformed into light energy and vice versa.

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2 years ago

A thin, rectangular sheet of metal has mass M and sides of length a and b. Find the moment of inertia of this sheet about an axi

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The moment of inertia is $I=\frac{M}{12} a^{2}$

Explanation:

The moment of inertia is equal:

$I=\int\limits^a_b {r^{2} } \, dm$

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$I=\int\limits^a_b {r^{2}\frac{M}{a} } \, dr\\a=\frac{a}{2} \\b=-\frac{a}{2}$

$I=\frac{M}{a} \int\limits^a_b {r^{2} } \, dr\\\\I=\frac{M}{a} (\frac{M}{3} )_{b}^{a}\\ I=\frac{M}{3a} (\frac{a^{3} }{8} +\frac{a^{3} }{8} )\\I=\frac{M}{12} a^{2}$

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3 years ago

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The answer should be B. A half step

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2 years ago

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