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SVETLANKA909090 [29]
4 years ago
6

A starlike object seen on deep sky photographs coincides with an intense radio source and has a spectrum in which the characteri

stic lyman pattern of hydrogen spectral lines has been shifted from the ultraviolet to the visible spectral range. what is this object?
Physics
1 answer:
liberstina [14]4 years ago
6 0
A quasar - <span>Quasars are very distant objects. They  are really bright masses of energy and light. The word quasar is actually short for quasi-stellar radio source or quasi-stellar object. This high amount of energy in such a small area can only be formed by matter falling towards a Black Hole. That's why quasars are believed to be huge black holes  in the center of young galaxies.
</span><span />
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Mystical ride her scooter down the hill from the state of rest when she reaches the bottom of the hill 4.0 seconds later her spe
mina [271]

The acceleration is 2.5 m/s^2

Explanation:

This is a uniformly accelerated motion (constant acceleration), therefore we can apply the following suvat equation:

v=u+at

where

v is the final velocity

u is the initial velocity

a is the acceleration

t is the time

For the scooter in this problem, we have

u = 0 (it starts from rest)

v = 10.0 m/s is the final velocity

t = 4.0 s is the time interval

Solving for a, we find the acceleration:

a=\frac{v-u}{t}=\frac{10-0}{4}=2.5 m/s^2

Learn more about acceleration:

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5 0
4 years ago
If the force being applied to an object is doubled, what will happen to its<br> acceleration?
Minchanka [31]

Answer:

Acceleration decreases.

Explanation:

Hope this helps you.

4 0
3 years ago
Which type of energy do you always have at the top of the first hill on a roller coaster?​
Verdich [7]

Answer:

Potential Energy

8 0
3 years ago
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A scientist is trying to determine whether a newly observed phenomenon can be described as a wave. Which of the following questi
Step2247 [10]

Answer:

B. does it transfer energy

A wave is a disturbance in a medium. Particles vibrate and TRANSFER their ENERGY to their neighbors.

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3 years ago
What happens to steam as it releases thermal energy inside a radiator?
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It condenses into liquid water.
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