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3 years ago

What happens when light rays pass through a concave lens?

Physics

2 answers:

kipiarov [429]3 years ago

7 0

Answer:

Its A

Explanation:

Alexxx [7]3 years ago

4 0

Answer:

Concave lenses are thinner at the middle. Rays of light that pass through the lens are spread out (they diverge). A concave lens is a diverging lens. When parallel rays of light pass through a concave lens the refracted rays diverge so that they appear to come from one point called the principal focus.

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A car's acceleration is 3m/s2. If the car started at rest and it only took 10s for the car to reach this acceleration, what is t

Grace [21]

Answer:

30m/s

Explanation:

From law of motion equation

Vf= Vi + at

Where Vf= final velocity

Vi= initial velocity=0(the car started at rest)

a= acceleration= 3m/s2

t= time= 10s

Then substitute into the equation to get the final velocity.

Vf= 0+(10×3)

Vf= 30m/s

Hence, the car's final velocity is 30m/s

5 0

3 years ago

6. A baseball player leads off the game and hits a long home run. The ball leaves the bat at an angle

dangina [55]

Answer:

I don't really know this one sorry

6 0

2 years ago

A(n) ______ is a gap in the geologic record where some rock layers have been lot because of erosion

fomenos

geological time is the answer

6 0

2 years ago

the pull of gravity on mars is 3.7m/s^2. if a astronaut on mars lifts a 10 kg rock 1 m off the ground, just to see whats under i

Elanso [62]

Gravitational potential energy can be calculated using the formula:

$PE_{grav} =mgh$

Where:
PEgrav = Gravitational potential energy
m= mass
g = acceleration due to gravity
h = height

On Earth acceleration due to gravity is a constant 9.8 but since the scenario is on Mars, the pull of gravity is different. In this case, it is 3.7, so we will use that for g.

So put in what you know and solve for what you don't know.
m = 10kg
g = 3.7m/s^2
h = 1m

So we put that in and solve it.
$PE_{grav} =mgh$
$PE_{grav} =(10kg)(3.7m/s^{2})(1m)$
$PE_{grav} =37J$

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3 years ago

Aleksei’s family purchased a new water heater that is a heat pump. After installation, Aleksei noticed that the room containing

rjkz [21]

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In this problem a room got colder while water got warmer. This is due to work done by heat pump. This is what is described in correct answer c).
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b) is not correct because if the burning fuel increased the thermal energy in the air it would mean that this room got warmer than rest of house.
d) is not correct because burning fuel does not absorb thermal energy. It releases it.

5 0

3 years ago

Read 2 more answers