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3 years ago

The mesosphere is the coldest layer because it doesn't have any special _____ to trap heat.

Physics

2 answers:

jonny [76]3 years ago

8 0

Gases i think not sure tho

Slav-nsk [51]3 years ago

7 0

Answer:

gases

Explanation:

greenhouse gases bounce light from the sun back and forth in the atmosphere keeping the light stuck in the atmosphere like a ping pong ball on a ping pong table heating up the air

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You pull a wagon with a force of 20 N. The wagon has a mass of 10 kg. What is the wagon's acceleration?

Nana76 [90]

Answer:

<h3>The answer is 2 m/s²</h3>

Explanation:

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

$a = \frac{f}{m} \\$

where

f is the force

m is the mass

From the question

f = 20 N

m = 10 kg

We have

$a = \frac{20}{10} \\$

We have the final answer as

Hope this helps you

5 0

2 years ago

4. Which activity would be BEST for prolonged training within your target heart rate zone?

valina [46]

I am sorry I would answer this questions but I don’t have the options of the heart rates so I can give you the best answer

6 0

3 years ago

A 1.0 kg mass is attached to the end of a vertical ideal spring with a force constant of 400 N/m. The mass is set in simple harm

Marina86 [1]

Answer:

$v(0)=2m/s$

Explanation:

The instantaneous velocity of a point mass that executes a simple harmonic movement is given by:

$v(t)=\omega *A*cos(\omega t + \phi)$

Where:

$\omega=Angular\hspace{3}frequency\\A=Amplitude\\\phi=Initial\hspace{3}phase$

Express the amplitude in meters:

$10cm*\frac{1m}{100cm} =0.1m$

The angular frequency can be found using the next equation:

$\omega=\sqrt{\frac{k}{m} }$

Using the data provided:

$\omega=\sqrt{\frac{400}{1} } =20$

At the equilibrium position:

$\phi=0$

$v(0)=20*(0.1)cos(20*0+0)=2*cos(0)=2*1=2m/s$

6 0

3 years ago

The process by which people walk

Pachacha [2.7K]

The answer is C. Chemical Energy

3 0

2 years ago

Read 2 more answers

un cuerpo solido de cierto material,se midio su masa y se encontro un valor de 450 gramos, al medir su volumen este fue de 2890c

vaieri [72.5K]

Answer:

my bad i wish i could ansrew

Explanation:im only six

7 0

2 years ago