3 years ago

Different _______ of light through two separate mediums causes the bending of wave fronts associated with light rays.

1 answer:

3 0

The different reflections of light through two separate mediums causes the bending of wave fronts associated with light rays. The reflection and refraction is caused by the medium associated with its light rays.

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A burning candle provides :

mixer [17]

This would be B

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3 years ago

if you have to apply 40 n of force on a crowbar to lift a 400 n rock what is the actual machanical andvatage of the crow bar

Eduardwww [97]

M.A. = 400/40

M.A. = 10

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7 0

3 years ago

This spectrometer reading shows some red, blue, and purple. Our atom is most likely ______________________.

Kisachek [45]

<span>This spectrometer reading shows some red, blue, and purple. Our atom is most likely Hydrogen source.

This spectrometer reading shows some reds, orange, and yellow. Our atom is most likely Neon source.

This spectrometer reading shows some red, yellow, and blue. Our atom is most likely Helium source.

This spectrometer reading shows some yellow, blue, and purple. Our atom is most likely Mercury source</span>

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3 years ago

In which one of the following situations does a car have a WESTWARD acceleration? The car travels westward and slows down. The c

DENIUS [597]

Explanation:

Let east direction is negative and west direction is positive. The acceleration of an object is given by :

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

Where

v is the final speed

u is the initial speed

t is the time taken

As the car decelerates, the final speed of the car is less as compared to the initial speed. As a result, its acceleration is negative. It means the car travels eastward and slows down. Hence, this is the required solution.

4 0

3 years ago

9. a. Determine the mass of a football which has a weight of 0.80 N on a planet where the gravitational field strength is 2 N/kg

krek1111 [17]

Answer:

m = 0.4 [kg]

Explanation:

Weight is considered as a force and this is equal to the product of mass by gravitational acceleration.

$W=m*g\\$

where:

W = weight = 0.8 [N]

m = mass [kg]

g = gravity acceleration 2[N/kg]

Therefore:

$m=W/g\\m = .8/2\\m = 0.4 [kg]$

5 0

3 years ago