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Marrrta [24]
3 years ago
15

With that push, they have accelerated their masses, which means they have _____ of their bodies.

Physics
1 answer:
bixtya [17]3 years ago
8 0
Answer: changed the velocity

Hope this helps lol :)
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Is it easier to open a bottle cap by gripping it with a towel. Why ?
vesna_86 [32]

Answer:

Yes

Explanaton:

He made you get grip

7 0
3 years ago
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1000 kg of water initially at 6 m/s runs through a hydro-generator. If the water leaves the generator at velocity of 4 m/s, and
r-ruslan [8.4K]

Answer:

8.00 kJ

Explanation:

The first thing is to determine what quantities are there.

the mass of water = 1 000 kg

initial velocity, u = 6 m/s

final velocity, v = 4 m/s

the generator is operating at 100 % efficiency, so there is no energy loss.

The kinetic energy, Ek is converted to electrical energy, therefore Ek = electrical energy.

The kinetic energy is calculated as follows:

Ek = 1/2 mv²

    = 1/2×(1 000)× (4)²

    = 8 000 J/s

    = 8.00 kJ  Ans

4 0
3 years ago
A flashlight beam makes an angle of 60 degrees with the surface of the water before it enters the water. in the water what angle
alexira [117]
<h3><u>Answer</u>;</h3>

= 22°

<h3><u>Explanation</u>;</h3>
  • According to Snell's law, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant. The constant value is called the refractive index of the second medium with respect to the first.
  • Therefore; Sin i/Sin r = η

In this case; Angle of incidence = 90° -60° =30°, angle of refraction =? and η = 1.33

Thus;

Sin 30 / Sin r = 1.33

Sin r = Sin 30°/1.33

       = 0.3759

r = Sin^-1 0.3759

   = 22.08

   <u>≈ 22°</u>

3 0
3 years ago
A penny is dropped from the top of a 180m building. How much time will it take to fall to the ground?
lawyer [7]

Answer:

9.9 seconds

Explanation:

hope this helps :)

8 0
3 years ago
How many universes out there?​
Montano1993 [528]

Answer:

onlu 1 universe

Explanation:

7 0
3 years ago
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