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Alex
2 years ago
13

An electric motor converts electrical energy into (blank) energy

Physics
1 answer:
Delicious77 [7]2 years ago
5 0

Answer:

Mechanical

Explanation:

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If the input work on a machine is equal to it's output work. the machine has _____ efficiency.
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Answer:

100% efficiency

Explanation:

the machine has _100%_ efficiency.

(fill in the blank)

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3 years ago
A distant planet with a mass of (7.2000x10^26) has a moon with a mass of (5.0000x10^23). The distance between the planet and the
BARSIC [14]

Answer:

Explanation:

This is a simple gravitational force problem using the equation:

F_g=\frac{Gm_1m_2}{r^2} where F is the gravitational force, G is the universal gravitational constant, the m's are the masses of the2 objects, and r is the distance between the centers of the masses. I am going to state G to 3 sig fig's so that is the number of sig fig's we will have in our answer. If we are solving for the gravitational force, we can fill in everything else where it goes. Keep in mind that I am NOT rounding until the very end, even when I show some simplification before the final answer.

Filling in:

F_g=\frac{(6.67*19^{-11})(7.2000*10^{26})(5.0000*10^{23})}{(6.10*10^{11})^2} I'm going to do the math on the top and then on the bottom and divide at the end.

F_g=\frac{2.4012*10^{40}}{3.721*10^{23}} and now when I divide I will express my answer to the correct number of sig dig's:

Fg= 6.45 × 10¹⁶ N

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3 years ago
Why heat capacity for polymer higher than metal?
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Because polymers are covalently bonded material, and metals are metalicly bonded material. 

Covalent bonds do not let atoms exchange electrons like metalic bonds do.
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An Ohmic material is one in which its resistance does not depend on the voltage across it or the current within it. In that case
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Which is an example of potential en
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a yoyo in someones hand is an example of potential energy

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