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3 years ago

Can someone summarize the multiverse theory? I need it for a quick homework assignment :]

Physics

2 answers:

Whitepunk [10]3 years ago

5 0

Answer:

The multiverse is a hypothetical group of multiple universes. Together, these universes comprise everything that exists: the entirety of space, time, matter, energy, information, and the physical laws and constants that describe them.

Hope it helped you :D

GenaCL600 [577]3 years ago

5 0

I haven’t learned this yet i wish i could help you tho

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A 1 170.0 kg car traveling initially with a speed of 25.000 m/s in an easterly direction crashes into the back of a 9 800.0 kg t

Stella [2.4K]

Answer:

Explanation:

mass of car, m1 = 1170 kg

mass of truck, m2 = 9800 kg

initial velocity of car, u1 = 25 m/s

initial velocity of truck, u2 = 20 m/s

final velocity of car, v1 = 18 m/s

Let the final velocity of truck is v2.

(a) Use the conservation of momentum

m1 x u1 + m2 x u2 + m1 x v1 + m2 x v2

1170 x 25 + 9800 x 20 = 1170 x 18 + 9800 x v2

29250 + 196000 = 21060 + 9800 v2

v2 = 20.84 m/s

(b) Total kinetic energy before collision,

Ki = 0.5 x 1170 x 25 x 25 + 0.5 x 9800 x 20 x 20

Ki = 365625 + 1960000 = 2325625 J

Total final kinetic energy

Kf = 0.5 x 1170 x 18 x 18 + 0.5 x 9800 x 20.84 x 20.84

Kf = 189540 + 2128097.44

Kf = 2317637.44 J

Change in energy = 2325625 - 2317637.44 = 7987.56 J

4 0

4 years ago

Um pls help<br><br>I really need help

Dima020 [189]

Answer:

1.8L

Explanation:

Boyle's law is a gas law, stating that the pressure and volume of a gas have an inverse relationship. If volume increases, then pressure decreases and vice versa, when the temperature is held constant.

So x is the volume at pressure 235

235x = 101(4.2)

x = 424.2/235 = 1.8

3 0

3 years ago

An athlete, swimming at a constant speed, covers a distance of 203 m in a time period of 5 minutes and 50 seconds. The drag forc

zvonat [6]

The power the swimmer must provide to overcome that drag force is 50 W.

Work done is equal to product of force applied and distance moved.

Work = Force x Distance

Given is an athlete, swimming at a constant speed, covers a distance of 203 m in a time period of 5 minutes and 50 seconds = 350 seconds. The drag force exerted by the water on the swimmer is 86.0 N.

Work done by drag force is W= F x d

So, W = 86 N x 203 m

W = 17.458 kJ

Power , a swimmer is provided P = Work done/ Time

P = 17458 / 350

P = 50 W

Thus, the power, the swimmer must provide to overcome that drag force is 50 W.

Learn more about Work done

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2 years ago

Is bacteria used in photosynthesis

madreJ [45]

Yes it is because the teacher told me in science lol ☺☺

6 0

3 years ago

What is a plane mirror? state the characteristics of the image formed by a plane mirror

Nadusha1986 [10]

A plane mirror always forms a virtual image. the image and the object are the same distance from a flat mirror, the image size is the same as the object, and the image is upright!

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3 years ago