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ANTONII [103]
3 years ago
5

During a science fair, a group of students came up with the following question: “Is color an inherent property in objects or is

it a product of the mind?” Why would this question be extremely difficult to answer scientifically?
a. Color is not an observable phenomenon.
b. How people experience color is subjective.
c. It does not attempt to explain the natural world.
d. The experimental group would be too large.
Physics
2 answers:
liraira [26]3 years ago
3 0
I think the correct answer from the choices listed above is option B. The question that the group of students came up with would be an extremely difficult question to answer scientifically because how people see or experience color is subjective and people might see it differently.
bulgar [2K]3 years ago
3 0

Answer:

B.how people see color is subjective

Explanation:

Objects have different colours because they absorb some colour whixh are in form of wavelengths and reflect or transmit other colours.

The physiology behind colour of objects involves the eye and the brain.Their responses to light and the sensory data they produce.

And the response of the eye and brain to light and sensory data depends on each person therefore how people experience color is subjective.

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3 years ago
An elevator car has a mass of 750 kg, and its three passengers have a combined mass of 135 kg. If the elevator and its passenger
joja [24]

Answer:

The change in gravitational potential energy is -1.80x10⁵ J.

Explanation:

The change in gravitational potential energy is given by:

\Delta E_{p} = E_{p_{f}} - E_{p_{i}}

\Delta E_{p} = mgh_{f} - mgh_{i}

Where:

"i" is for final and "f" for final

m: is the mass

g: is the gravity = 9.81 m/s²

h: is the height

For the car and the passengers we have:

\Delta E_{p} = m_{T}g(h_{f} - h_{i}) = (750 kg + 135 kg)9.81 m/s^{2}(0 - 20.7 m) = -1.80 \cdot 10^{5} J      

The minus sign is because when the elevator car and the passengers are up they have a bigger gravitational potential energy than when they are in the ground.

Therefore, the change in gravitational potential energy is -1.80x10⁵ J.

I hope it helps you!                                                

3 0
3 years ago
Two resistors, R1 and R2, are connected
marusya05 [52]

Answer:

18 ohms

Explanation:

V = I(R1 + R2)

5V = (0.167A)(12 ohms + R2)

Solving for R2

R2 = 18 ohms

3 0
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Explanation:

Work done is a physical quantity that is defined as the force applied to move a body through a particular distance.

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The maximum work is done when the force is parallel to the distance direction.

The minimum work is done when the force is at an angle of 90° to the distance direction.

 So to solve this problem;

 multiply the force applied by Zack and distance through which the bull was pulled.

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