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fgiga [73]
3 years ago
10

Physics Question 100 Points No Spam.

Physics
2 answers:
VARVARA [1.3K]3 years ago
7 0

Answer:

- Wind resistance made decrease in speed

-Gravity/Mass made decrease in velocity

Explanation:

valentina_108 [34]3 years ago
5 0

Answer:

Mass can decrease the velocity

Wind can decrease the speed.

Which could put more force on the negative and cause a negative sum

Explanation:

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Two masses traveling at the same speed v₀ collide head on. Nothing is known about the collision other than that it is not comple
alex41 [277]

Answer:

false

Explanation:

Elastic collision: the collision is said to be elastic if the kinetic energy is conserved during the collision.

If the kinetic energy is not conserved, then the collision is not elastic.

So, here no information is given so we cant say about the type of collision.

So, it is False.

4 0
3 years ago
If your water heat has an efficiency of 95 percent, how much energy would it take to heat 45kg of water from 23 C to 60 C. (The
Westkost [7]

Answer: 6611.715 joules

Explanation:

Q = MxCxdeltaT = 6959.7 which is 100%

95% = 6611.715

6 0
3 years ago
What are the two factors that determine the amount of gravitational force between two objects?
melisa1 [442]

Answer:

The mass of the objects

Distance between the objects

Explanation:

The two factors that determines the amount of gravitational force between two objects is the mass of the objects and the distance between them.

Gravitational force of attraction is directly proportional to the product of the masses of the two objects and inversely proportional to the square of the distance between them. This is the postulate of the newton's law of universal gravitation.

 Mathematically:

        F = \frac{Gm_{1}m_{2}  }{r^{2} }

m is the mass

r is the distance

G is the universal gravitation constant

6 0
3 years ago
A sound wave produced by a loudspeaker can travel through water, but not through a vacuum. In comparison, a red light wave produ
Anna [14]

Answer:

A. Light can travel trough air and space.

Explanation:

A vacuum is space that has no air inside of it. Since light is able to go through 'nothing' and matter, your answer must be A.

8 0
3 years ago
If the angle of incidence of a light source to a shiny surface is 30 degrees, what will the angle
Virty [35]
<h3>Answer: D) 30</h3>

Angle of incidence always equals angle of reflection. Think of a tennis ball being hit into a wall. The ball will bounce off at the same angle that it approached with. The angles mentioned are formed through the line called the "normal", which is the line perpendicular to the surface.

5 0
3 years ago
Read 2 more answers
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