2 years ago

Glaciers begin with snowfall building up and __________________ the ice. (Choose the best answer)

Physics

1 answer:

Allisa [31]2 years ago

4 0

Answer:

compacting

Explanation:

i don't think there is very much explanation, the snow falls and compacts the ice to become giant lol

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What is the energy of a photon with a frequency of 5 x 10^14 Hz?

zloy xaker [14]

Answer:

$3.315 x 10^-19 J$

Explanation:

Using Eisten's formula, energy is a product of Plank's constant and photon frequency

E=hf

Where f represent frequency, h is Plank's constant and E is energy.

Substituting frequency with 5 x 10^14 Hz and

Planck's constant is 6.63 x 10^-34 J•s.

$E=6.63 x 10^{-34} *5 x 10^{14}=3.315x10^{-19} J$

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3 years ago

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erica [24]

Friction I think soooooooooo

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3 years ago

A motorcycle has a constant acceleration of 3.49 m/s2. Both the velocity and acceleration of the motorcycle point in the same di

Vilka [71]

Answer:

(a)2.865 s

(b)2.865 s

Explanation:

We are given that

Acceleration,a= $3.49 m/s^2$

a.Initial speed,u=29 m/s

Final speed,v=39 m/s

We know that

$t=\frac{v-u}{a}$

Using the formula

$t=\frac{39-29}{3.49}=2.865 s$

b.Initial speed,u=59 m/s

Final speed,v=69 m/s

Again using the formula

$t=\frac{69-59}{3.49}=2.865 s$

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2 years ago

The amplitude of a mechanical wave shows<br> What?

Anuta_ua [19.1K]

I’m not sure what you are asking

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2 years ago

3. What are the two types of mixtures?

ioda

Answer:

heterogeneous and homogeneous

Explanation:

Hetero you can separate whilst homo is combined and cant be separated

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2 years ago