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3 years ago

At the mirror surface, the light rays that you see are on the ______ of/as the light rays that your friend sees.

1 answer:

6 0

Given what we know, the light rays that you see on the surface of the mirror are at the same angle as the light rays that your friend sees.

<h3 /><h3>Why does this happen?</h3>

This has to do with the way in which a mirror affects the light that hits it. A mirror will reflect light, but will do so at the same angle that the light reaches it. This means that if the light reaches the mirror at a 40-degree angle, it will be reflected in the opposite direction at a 40-degree angle.

Therefore, we can confirm that the light rays that you see on the surface of the mirror are at the same angle as the light rays that your friend sees.

To learn more about light waves visit:

brainly.com/question/23342892?referrer=searchResults

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Andre, whose mass is 77.1 kg, sits on a diving board above a dunk tank. If he is sitting 0.90 m above the water, what is his tot

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Answer:

680 J

Explanation:

Mechanical energy = potential energy + kinetic energy

ME = PE + KE

ME = mgh + ½ mv²

ME = (77.1 kg) (9.8 m/s²) (0.90 m) + ½ (77.1 kg) (0 m/s)²

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4 years ago

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The distance a toy car travels over time is shown in the graph.

Korvikt [17]

Answer:

a toy car speed is about 2.5 to 3.5 mph

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3 years ago

A 3.0-kg brick rests on a perfectly smooth ramp inclined at 34° above the horizontal. The brick is kept from sliding down the pl

Firdavs [7]

Answer:

d=0.137 m ⇒13.7 cm

Explanation:

Given data

m (Mass)=3.0 kg

α(incline) =34°

Spring Constant (force constant)=120 N/m

d (distance)=?

Solution

F=mg

F=(3.0)(9.8)

F=29.4 N

As we also know that

Force parallel to the incline=FSinα

F=29.4×Sin(34)

F=16.44 N

d(distance)=F/Spring Constant

d(distance)=16.44/120

d(distance)=0.137 m ⇒13.7 cm

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3 years ago

In a photoelectric experiment, you shine light onto an electrode and record a current of 25 μA. When you apply +500 mV to the el

kkurt [141]

Answer:

2.083 V.

Explanation:

Stopping potential is the potential that is required to stop the current to zero . This potential is applied externally to oppose the potential created by the photoelectric effect . It gives the measure the photoelectric potential being generated .

Here current drops to 25 μA to 19 μA by a potential of 500mV

Change in current

= 25 - 19 = 6 μA

Voltage requirement for unit reduction in current

= 500 / 6 μA

To reduce current 0f 25 μA

requirement of V = (500 / 6 ) x 25 = 2083.33 mV = 2.083 V.

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3 years ago

Give a specific example of a vector quantity. why this type of quantity would be used to describe this event ?

Anarel [89]

example force. because you can say" I applied 3 newtons downward to the floor".

force has magnitude and direcion

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4 years ago