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Lina20 [59]
3 years ago
5

As light from air to water to glass, it will refract. The best explanation for this would be

Physics
2 answers:
oksano4ka [1.4K]3 years ago
8 0

The speed of a wave slows as it travels at different speed in different media. This is what causes the light to bend.

diamong [38]3 years ago
6 0
It d I took the test

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what is the average gravitational force of attraction between the earth and the sun? the earth averages a distance of about 150
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Answer:

B

Explanation:

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The force produced by gravity on a mass is called
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gravitational force

weight

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The process of conversion of solid into gas and again gas into solid is known as
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Sublimation is when a solid becomes a gas.  And gas to solid is deposition.
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After being struck by a bowling ball, a 1.3 kg bowling pin sliding to the right at 5.0 m/s collides head-on with another 1.3 kg
GuDViN [60]

Answer:

a) 4.2m/s

b) 5.0m/s

Explanation:

This problem is solved using the principle of conservation of linear momentum which states that in a closed system of colliding bodies, the sum of the total momenta before collision is equal to the sum of the total momenta after collision.

The problem is also an illustration of elastic collision where there is no loss in kinetic energy.

Equation (1) is a mathematical representation of the the principle of conservation of linear momentum for two colliding bodies of masses m_1 and m_2 whose respective velocities before collision are u_1 and u_2;

m_1u_1+m_2u_2=m_1v_1+m_2v_2..............(1)

where v_1 and v_2 are their respective velocities after collision.

Given;

m_1=1.3kg\\u_1=5m/s\\m_2=1.3kg\\u_2=0m/s

Note that u_2=0 because the second mass m_2 was at rest before the collision.

Also, since the two masses are equal, we can say that m_1=m_2=m so that equation (1) is reduced as follows;

mu_1+mu_2=mv_1+mv_2\\\\m(u_1+u_2)=m(v_1+v_2)..............(2)

m cancels out of both sides of equation (2), and we obtain the following;

u_1+u_2=v_1+v_2.............(3)

a) When v_1=0.8m/s, we obtain the following by equation(3)

5+0=0.8+v_2\\hence\\v_2=5-0.8\\v_2=4.2m/s

b) As m_1 stops moving v_1=0, therefore,

5+0=0+v_2\\v_2=5m/s

5 0
3 years ago
Carter found the rock shown in the picture below near a river ​
noname [10]

Answer:

there's no picture

Explanation:

and what would the question be anyways?

4 0
3 years ago
Read 2 more answers
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