If light intensity obeyed an inverse square law you would expect to find the intensity of light to decrease as the square of the distance increases? True or false

Answers

Answer 1

Answer: Inverse square law: $(I_(2) )/(I_(1))= (\frac{d{2} }{d_(1)})^2$
where
$I_(1)$ is the intensity at distance 1
$I_(2)$ is the intensity at distance 2
$d_(1)$ is distance 1
$d_(2)$ is distance 2

The inverse squared law state that intensity decreases in inverse proportion to the distance squared. So if light obeyed that rule, it will decreases its intensity as the square of the distance increases.

We can conclude that the correct answer is: true.

Answer 2

Answer:

this is a true statement

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True or false: Even though ozone protects us when we are breathing it near the ground, it is harmful to us when it is high up in the atmosphere.

Answers

Answer:

i think its false

Explanation:

Answer:

I am pretty sure its false.

Explanation:

A graduated plank of length 90cm sits on a knife edge at 40cm mark. When a load of 50g is placed at 20cm, find the mass that will balance the plank at 70cm length.

Answers

Answer:

33.3 g ≈ 33 g

Explanation:

Please see attached photo for explanation.

From the attached photo, M is the mass that we must obtain to balance the plank.

The mass, M can be obtained as follow:

Anticlockwise moment = clockwise moment

Anticlockwise moment = 50 x 20

Clockwise moment = M x 30

Anticlockwise moment = clockwise moment

50 x 20 = M x 30

Divide both side by 30

M = (50 x 20)/30

M = 33.3 g ≈ 33 g

Therefore, the mass that will balanced the plank at the 70 cm length is appropriately 33 g

Why is it better to search new a cliff for a fossil then near a volcano?

Answers

Its better to search for a fossil near a cliff than a volcano because, when finding a fossil near a volcano, the volcano can erupt.

A basketball with a mass of 0.80 kg is accelerated with a force of 16.0 N. If resisting forces are ignored, what is the acceleration of the basketball to the nearest m/s2?

Answers

Answer:

Acceleration = 20 m/s2

Further explanation:

16 N = 0.80 kg x acceleration

Acceleration = 20 m/s2

Force (F) = mass (M) x acceleration (a)
F= 16.0 N
M= 0.80kg
a= ??

16.0 = 0.80 x a
___ ______
0.80 0.80

a= 20 m/s^2

The primary job of a(n) ____ is to increase the power of a modified radio wave.antenna
amplifier
modulater
transmitter

Answers

Answer:

Ampifier

Explanation:

Hope this helps

Answer:

amplifier

Explanation:

on edge 2020

A player kicks a ball with a force of 5 N. The ball travels 10 meters. What was thetotal amount of work?
O ou
O su
50 u
o 500
O
1000 J

Answers

The total amount of work done will be "50 J". To understand the calculation, check below.

Work done and Force

According to the question,

Force, F = 5N

Distance, d = 10 m

We know the formula,

→ Work = Force × Distance

or,

→ W = F × d

By substituting the values, we get

= 5 × 10

= 50 N/m or,

= 50 J

Thus the response above is correct.

Find out more information about force here:

brainly.com/question/25239010

Answer:

50N/m or 50J

Explanation:

Work is defined as product of force & distance. Hence per the parameters,

Force = 5N and Distance is 10m

Therefore Work =F x d

Work = 5N x 10m

Work =50N/m or 50J

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