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valkas [14]
3 years ago
5

Help ASAP 100 points

Physics
1 answer:
Gwar [14]3 years ago
7 0

Answer:

other galaxies is red shifted

Question 5 (1 point)

What does a blue shift in light from stars indicate?

Question 5 options:

The stars are moving randomly.

The stars are moving closer.

The stars are moving farther away.

The stars are stationary

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To calculate the heat needed to melt a block of ice at its melting point what do you need to know
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You have to know what the temperature of your suroundings first and then you can melt it with the tools you need. yeah that's another thing know what tools you need and then be safe!:D
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3 years ago
Examples of the period, frequency, speed of a wave in a sentence?
Kamila [148]
Hi There! :)

<span>Examples of the period, frequency, speed of a wave in a sentence?

                                Examples

•</span><span>He indicated the space behind him with a </span>wave<span> of a hand.
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•</span><span>On land only the grass and trees </span>wave, but the water itself is rippled by the wind.

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6 0
3 years ago
For a body falling freely from rest​ (disregarding air​ resistance), the distance the body falls varies directly as the square o
jasenka [17]

Answer:

The answer to the question is

The object would fall 57.625 m in the first 5 seconds

Explanation:

To solve the question, we note that

the height of fall = 490 ft = ‪149.352‬ m

Time to touch the ground = 7 seconds

We are required to find out how far the object falls in the first 5 seconds

We apply the relation

S = u·t + 0.5×g·t ² = We then have

‪149.352‬ = U×7+0.5*9.81*49 From where u = -13 m/s

Therefore to find how far it falls in the first 5 seconds, we have

-13*5 + 0.5*9.81*25 = 57.625 m

5 0
3 years ago
Read 2 more answers
The triceps muscle in the back of the upper arm is primarily used to extend the forearm. Suppose this muscle in a professional b
Romashka-Z-Leto [24]

Answer:

I=0.0361 kg.m^2

Explanation:

Torque is the rotational equivalent of a force

Torque= perpendicular distance r X Force F

Torque T = I(moment of inertia) X α (angular acceleration)

T= Iα

r= 0.0285m

F= 1.9 x 10^3

T=0.0285 x 1.9 x 10^3

T= 54.15Nm

I=T/α

I=54.15/150

I=0.361 kg.m^2

4 0
3 years ago
Power dissipated is 40w in the 10 ohms resistor. What is the
sveticcg [70]

tiodoododoodkdkdkdedd

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3 years ago
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