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hjlf
3 years ago
12

What is terminal velocity and when is it reached?

Physics
1 answer:
Ne4ueva [31]3 years ago
8 0
Terminal velocity is the velocity at which a falling body experience when its weight is equal to the force resistance of force opposing the fall.

At terminal velocity the acceleration of the body is zero, which implies that the value of the this velocity is a uniform. 
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When you are paddling a canoe, you push the water backwards with your paddle, which in turn will push you forward. Which law of
AVprozaik [17]
Newton's third law of motion. Because you are pushing the water backwards which will push you forwards
8 0
4 years ago
The technique called ____ uses a high-speed computer to monitor atmospheric distortion and adjust the optics of a telescope to p
slavikrds [6]

Answer:

adaptive optics.

Explanation:

Light wave can be defined as an electromagnetic wave that do not require a medium of propagation for it to travel through a vacuum of space where no particles exist.

A lens can be defined as a transparent optical instrument that refracts rays of light to produce a real image.

A telescope can be defined as an optical instrument or device which comprises of a curved mirror and lenses used for viewing distant objects i.e objects that are very far away such as stars and other planetary bodies.

The technique called adaptive optics uses a high-speed computer to monitor atmospheric distortion and adjust the optics of a telescope to partially compensate for the seeing.

Basically, adaptive optics is used by astronomers to correct the distortions caused by the turbulence of the atmospheric conditions of the Earth in real-time, so as to have an image that is as sharp as anyone taken in space.

3 0
3 years ago
What is 78,900,000,000 written in scientific notation?
kogti [31]

Answer:

7.89x10¹°

Explanation:

10 to the power of 10

Sorry i dont understand how to type it

4 0
3 years ago
Read 2 more answers
A boy pushes his 5.0 kg Thomas the Train toy from rest with a horizontal force of 5 N. What is the KE of the toy after being pus
raketka [301]

Answer:

15 miles

Explanation:

my opinion is 15 because 15 is the most reasonable answer

3 0
3 years ago
One simple model for a person running the 100 m dash is to assume the sprinter runs with constant acceleration until reaching to
yaroslaw [1]

Complete Question:

One simple model for a person running the 100 m dash is to assume the sprinter runs with constant acceleration until reaching top speed, then maintains that speed through the finish line. If a sprinter reaches his top speed of 11.5 m/s in 2.24 s, what will be his total time?

Answer:

total time = 6.24 s

Explanation:

Using the equation of motion:

v = u + at

initial speed, u = 0 m/s

v = 11.5 m/s

t = 2.24 s

11.5 = 0 + 2.24a

a = 11.5/2.24

a = 5.13 m/s²

For the total time spent by the sprinter:

s = ut + 0.5at²

100 = 0.5 * 5.13 * t²

t² = 100/2.567

t² = 38.957

t = √38.957

t = 6.24 s

3 0
4 years ago
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