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love history [14]
3 years ago
15

Which of the following is an example of increasing friction intentionally? a. waxing skis b. adding grease to gears on a bike c.

throwing sand on an icy driveway d. oiling a squeaky door Please select the best answer from the choices provided
Physics
1 answer:
Aleonysh [2.5K]3 years ago
7 0
C i think that it tell me if its wrong
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omeli [17]

Answer:

Explanation:

A turbine and generator produce the electricity

"A hydraulic turbine converts the energy of flowing water into mechanical energy. A hydroelectric generator converts this mechanical energy into electricity.

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2 years ago
Ivan walks 10 meters west to the water fountain, then runs 2 meters east to his class to avoid a lockout. His displacement would
otez555 [7]

Answer:

<u>-8</u>

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if he starts at ten and takes 10 steps left he'll be at -10... then if he takes 2 steps to the right , he's at -8 on the number-line

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3 years ago
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Radioactive isotopes can be used to find the age of rocks, fossils, or other artifacts. Carbon-14 has a half-life of 5,730 years
bazaltina [42]

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1/8 = (1/2)^3

This implies the sample has decayed for 3 half lives

3 * 5730 yrs = 17,200 years

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A pressure of 400 Pa is applied to an area of 2.5 m2.What force applies this pressure?
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F = 1 kN
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(a) State Hook's law. [2]
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Hookes law state that provided that the elastic limit is not exceeded, the extension is directly proportional to the force
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