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horsena [70]
4 years ago
14

How do astronomers best learn about distant objects in the universe

Physics
2 answers:
3241004551 [841]4 years ago
7 0
The answer will be C based on what I had researched
Brilliant_brown [7]4 years ago
5 0

They collect and analyze data from the objects' electromagnetic radiation.

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Paul and Ivan are riding a tandem bike together. They’re moving at a speed of 5 meters/second. Paul and Ivan each have a mass of
Tresset [83]

Answer: Well they could go down a hill to gain more kinetic energy, or the answer can just be B. He can pedal harder to increase the rate to 10 meters/second. I hope I helped you.

8 0
3 years ago
Read 2 more answers
Alligators and other reptiles don't use enough metabolic energy to keep their body temperatures constant. they cool off at night
drek231 [11]
To compute for the heat, Q needed to be absorbed or released,  we need

Q = mc\Delta T

where m is the mass of the alligator, \Delta T is the change in temperature, and c is the specific heat of the alligator's body. Plugging in all the information we have,

Q = (300 kg)(3400 kJ/K)(30-25) = 5100000 J

Recall that 1 Watt = 1 J/s, thus time needed to absorb radiation from the sun is

t = \frac{Q}{W}\\ t = 4250 seconds

That means it takes 4250 seconds for the alligator to warm up to be able to absorb the radiation from the sun.

Answer: 4250 seconds



4 0
4 years ago
A baseball has a mass of 145 g. A pitcher throws the baseball so that it accelerates at a rate of 80 m/s2 How much force did the
Katena32 [7]

Answer:

<h2>11.6 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

mass is in kg

1000 g = 1 kg

145 g = 0.145 kg

From the question we have

force = 0.145 × 80

We have the final answer as

<h3>11.6 N</h3>

Hope this helps you

6 0
3 years ago
Why would geothermal energy NOT be a possible energy source for many regions of the country?
Alex787 [66]

Geothermal energy is not always found in an area that is easily accessible. <em>(C)</em>

3 0
3 years ago
The Sun produces 9.5 x 10^38 He atoms every second. Calculate the amount of energy produced by
Rama09 [41]

Answer:

You need to look up the figure for the energy released in the formation of one He atom, and then multiply that by the number of He atoms formed each second, and the result will be the total energy release that you seek.

Explanation:

6 0
3 years ago
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