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Vesnalui [34]
3 years ago
9

Which describes time dilation?

Physics
2 answers:
Monica [59]3 years ago
7 0

Answer:

A

Explanation:

The closer an object is to light speed, the slower time flows for the object

zalisa [80]3 years ago
7 0

Answer:

A. The faster an object moves, the more stretched time becomes.    

Explanation:

According to special theory of relativity, when there is relative motion between two objects, an observer observes more stretched time with respect to another frame. This slowing down of time becomes apparent when the object moves very fast (close to the speed of light).

Thus, option A is correct.

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7. A car stops at a red light. The light turns green
Readme [11.4K]

Answer:

Graph C

Explanation:

This is the answer because it is the only one that shows the vehicle accelerate to a constant speed before stopping and slowing down.

8 0
2 years ago
2.19 The drag characteristics of a blimp traveling at 4 m/s are to be studied by experiments in a water tunnel. The prototype is
Naily [24]

Answer:

Vm=0.894m/s

Explanation:

From the question we are told that

Velocity if travel v=4m/s

Diameter of  prototype d_1=20m and d_2=110m

Scale ratio=\frac{1}{20}

Generally Velocity of of the model using Froud's model is mathematically given as

Fm=Fp

\frac{Vm}{\sqrt{Lmg}} =\frac{Vp}{\sqrt{Lpg}}

Vm=Vp*\frac{Vp}{\sqrt{Lpg} }

Vm=4*\frac{1}{\sqrt{20}}

Vm=0.894m/s

8 0
3 years ago
What would happen to the planets in the solar system if the sun’s gravitational force were to suddenly disappear?
Mazyrski [523]

I believe the answer would be B.

Hope this helps!

8 0
4 years ago
Read 2 more answers
The theory of plate tectonics describes how the Earth’s lithosphere is broken into plates and these plates move over the molten
Mumz [18]

Answer:

C

Explanation:

A theory can be changed when new evidence is found. A law doesn't change because it is universally a fact. It doesn't need new evidence to support it.

5 0
3 years ago
An object on Earth's surface has a weight of 609 N. What is its mass?
mars1129 [50]

Answer:

62.1 kg

Explanation:

Weight = mass × acceleration

609 N = mass × (9.8)

The acceleration is 9.8 because that is the acceleration of gravity.

Divide both sides by 9.8 to isolate the mass.

609N/9.8 = mass

62.1 kg =mass

6 0
4 years ago
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