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shepuryov [24]
3 years ago
13

What would happen to the planets in the solar system if the sun’s gravitational force were to suddenly disappear?

Physics
2 answers:
Mazyrski [523]3 years ago
8 0

I believe the answer would be B.

Hope this helps!

elena-s [515]3 years ago
3 0

Answer:

B. They will fly away in straight lines.

Explanation:

They wouldn't have the gravity to keep them in place so they would fly away.

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A ball is thrown straight up into the air with a velocity of 12 m/s. Draw a motion diagram for the ball and then give as much qu
viktelen [127]

Answer:

find the diagram in the attachment.

Explanation:

Let vi = 12 m/s be the intial velocy when the ball is thrown, Δy be the displacement of the ball to a point where it starts returning down, g = 9.8 m/s^2 be the balls acceleration due to gravity.

considering the motion when the ball thrown straight up, we know that the ball will come to a stop and return downwards, so:

(vf)^2 = (vi)^2 + 2×g×Δy

vf = 0 m/s, at the highest point in the upward motion, then:

0 = (vi)^2 + 2×g×Δy

-(vi)^2  = 2×g×Δy

Δy = [-(vi)^2]/2×g

Δy = [-(-12)^2]/(2×9.8)

Δy = - 7.35 m

then from the highest point in the straight up motion, the ball will go back down and attain the speed of 12 m/s at the same level as it was first thrown

8 0
3 years ago
This is a strong, short-lived magnet created by a looped electrical current.
Fed [463]

Answer:elctromagnetic :D

Explanation:

4 0
3 years ago
a 10.0 kg ball falling at 10.0 m/s hits a mattress and comes to a complete stop in 1 s. what force does the mattress exert to st
eimsori [14]
Using Newton's second law;

F = ma, where m = mass, a = acceleration or deceleration

a = Δv/t = (v-u)/t, but v= 0, u = 10 m/s, t = 1.
Then,
a = (0-10)1 = -10 m/s^2

Substituting;
F = ma = 10*-10 = -100 N

The  mattress exerts 100 N to stop the ball.
3 0
3 years ago
How are hypotheses tested?
Mandarinka [93]

Answer:

by making observation hope it's helpful

8 0
2 years ago
Read 2 more answers
Explain this statement: Cells are the basic unit of structure and function in organisms.
Aleonysh [2.5K]
Cells are the smallest level of a living organism.
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2 years ago
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