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KengaRu [80]
3 years ago
5

Which statement is true?

Physics
2 answers:
sineoko [7]3 years ago
7 0
Heya!!!

Answer to your question:
Gravity is the force of attraction between two objects with mass and is dependent on the distance between these objects.

Formula for gravitational force is: GMm/r^2

where M is the mass of planet, m is the mass of object and r is the distance between them.

Hope it helps ^_^
Gnesinka [82]3 years ago
5 0
Gravity is the force of attraction between two objects with mass.  
Its strength depends on the mass of both masses, and on the
distance between them.
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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
What is electrical power and how is it measured?
Sliva [168]

Answer:

power is measured in watts and its the messure of work over time.

Explanation:

8 0
2 years ago
When there's a hazard ahead, it's almost always quicker for you to _________ than to come to a full stop.
TEA [102]

When there's a hazard ahead, it's almost always quicker for you to steer away than to come to a full stop.

<h3>What is an hazard?</h3>

Hazard refers to any obstacle or other feature which causes risk or danger.

Living organisms respond to hazards via the production of adrenaline hormone. This hormone causes a flight response away from the hazard.

Therefore, when there's a hazard ahead, it's almost always quicker for you to steer away than to come to a full stop.

Learn more about hazards at: brainly.com/question/5338299

5 0
2 years ago
Each value in nature has a number part, called its____<br> and a dimension, or unit
saul85 [17]

Answer:

<u>Magnitude</u>

Explanation:

Each value in nature has a number part, called its magnitude and a dimension called its unit.

For example,

The length of an object is 10 cm. It means that 10 shows the magnitude of length and cm shows its unit.

7 0
3 years ago
During science class, Ava and Justin were discussing the rotation of the Sun and debating over which model would best illustrate
agasfer [191]

Answer:

it would b B

Explanation:

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3 years ago
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