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expeople1 [14]
3 years ago
8

Accounts for about 70% of the mass-energy content of the universe. It acts in opposition to gravity.

Physics
1 answer:
Talja [164]3 years ago
3 0
I think it’s b because gravity pulls down or tword and that says moving away I could be wrong but I think it’s b
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Please use this screenshot in any way you can
miskamm [114]
Ball 1 Has uchanging motion because it continually goes up no matter what. Ball 2 has no motion. And ball 3 changing motion because it goes from not moving to moving. Hope this helps
7 0
3 years ago
Which of the following is not a component of a normal experiment?
MaRussiya [10]

Answer:

D. Validity group

Explanation:

A validity group is not necessarily a component of a normal experiment.

A normal experiment is made up of the dependent variables, independent variables, and most times the control group.

  • The dependent variable is one that relies on the outcome of the effect produced from the experimental design
  • The independent variable is the one that causes a desired effect under the study.
  • The control group is a group that does not receive any treatment nor attenuation of the conditions.
4 0
3 years ago
1. Suppose you're working at a constant temperature , when you exert more pressure on an object
vova2212 [387]

Answer:

Decrease

Explanation:

Working at a constant temperature when more pressure is exerted, the volume decreases.

This is known as Boyle's law.

 According to Boyle's law;

       "the volume of a fixed mass of a gas varies inversely as the pressure changes, if the temperature is constant".

  Mathematically;

          P₁V₁  = P₂V₂

P and V are pressure and volume

1 and 2 are initial and final states.

8 0
3 years ago
2.0 A are flowing through an electric motor. How long will it take for 40 Coulombs to flow through the motor?
Mandarinka [93]

Answer:

Answer: Magnitude = [____]; unit = [____].

Explanation:

4 0
3 years ago
Chiếu tia sáng lên một gương phẳng biết góc tới bằng 15⁰ hãy tính góc phản xạ bằng bao nhiêu
Roman55 [17]

Answer:

góc phản xạ 15°

Explanatin

3 0
3 years ago
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