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Simora [160]
3 years ago
15

Radio telescopes beam radio waves into space. To calculate the speed of the radio waves in space, which information, if any, is

necessary?
Physics
1 answer:
Anastaziya [24]3 years ago
7 0

Answer:

No more information is needed

Explanation:

Radio waves are electromagnetic energy, lower frequency forms of this type of energy that includes light and cosmic rays on the high frequency end that we are able to detect. So in free space (vacuum), radio waves travel at their fastest velocity, the “speed of light”. The reason for the quotation marks is because when light or radio waves are propagating through matter, we observe them traveling more slowly.

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A machine has a mechanical advantage of 5. what force should be applied to the machine to make it apply 30000
FrozenT [24]

Answer:

6000

Explanation:

E=Effort MA=mechanical advantage

L=Load

MA=L/E

5=30000/E

5E=30000

E=6000N

4 0
3 years ago
Read 2 more answers
A volleyball player’s hand applies a 39 N force while in contact with a volleyball for 2 seconds. What is the impulse on the bal
Snowcat [4.5K]

Answer:

78 N s

Explanation:

The impulse exerted on the ball is given by:

I = F \Delta t

where

F is the magnitude of the force

\Delta t is the duration of the collision

In this problem,

F = 39 N

\Delta t = 2 s

Substituting,

I=(39 N)(2 s)= 78 Ns

5 0
3 years ago
A 2.0kg cart moving right at 5.0 m/s on a frictionless track collided and sticks to a 3.0 kg cart moving left at 3.0 m/s. What i
Mrac [35]

Answer:

the final speed is 0.20

8 0
3 years ago
True or false? Gas pressure is caused by molecules in a gas colliding with the walls of their container.
algol [13]

Answer:True

The number of molecules hitting the unit surface per unit time increasethe gas pressure increases.

5 0
3 years ago
Read 2 more answers
4. SEP Construct Explanations What type(s) of energy
ziro4ka [17]

Answer:

it is below pls give 5 star

Explanation:

Foods contain stored potential energy in the form of chemical energy. When we consume food, the particles undergo a chemical reaction that releases the chemical energy. In turn, this energy is used by the body to perform its daily activities.

Therefore, when you eat a bowl of vegetable soup, you get the chemical energy that is stored in it.

RESULT

Foods contain stored potential energy in the form of chemical energy. When we consume food, the particles undergo a chemical reaction that releases the chemical energy. In turn, this energy is used by the body to perform its daily activities.

Therefore, when you eat a bowl of vegetable soup, you get the chemical energy that is stored in it

3 0
3 years ago
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