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sveta [45]
3 years ago
13

French jrnf;kwnb;vnkj2wert

Physics
1 answer:
dangina [55]3 years ago
4 0

Answer:

???

Explanation:

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An object is dropped from a height of 25 meters. At what velocity will it hit the ground?
Goryan [66]
You can use Vf^2-Vi^2 = 2ax

Vf^2 - 0 = 2(9.81)(25)

Or you can use energy

mgh = 1/2mv^2

2gh =v^2

Same thing
6 0
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Your tired 10 lb. baby cousin is cradled in your arms as you're walking back and forth across a 15m room to get her to fall asle
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Work done = Force x Distance

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Work Done = 44.5 N x 15 m

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According to the picture of the Electromagnetic spectrum [EMS] below, What color has a wavelength of 700 nm?
White raven [17]

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I looked at the picture...where it says red is 700

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a man applies a force of 100n to a rock for 60 seconds but the rock does not move what is the amount of work done by the man on
Phoenix [80]

0 (zero) work done.

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Work = Force × Distance

The force is 100 N and since the rock didn't move the distance is zero and so:

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8 0
3 years ago
In a nuclear power plant, the temperature of the water in the reactor is above 100°C because of what?
SVETLANKA909090 [29]

Answer:

The temperature of the water increases because the nuclear reactor heats it producing steam

Explanation:

The nuclear power plants are usually defined as those thermal plants where the nuclear reactors are used in order to generate heat that eventually leads to the rotating of the turbines and produces electricity. Here the nuclear reactor heats the water, and it increases above a temperature of 100°C, where this heat energy plays a key role in the entire process. It is an efficient method as it does not lead to the emission of any green house gases that are harmful to the environment.

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3 years ago
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