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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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I need a correct answer plzzzzzzzzzzzzzzzzzzzz
olya-2409 [2.1K]

Answer:

option 1

Explanation:

i just used the SOH CAH TOA, and since the given is tan=opposite/adjacent, that should be the answer

4 0
3 years ago
A refrigerator is being pulled up a ramp with a horizontal force P, which acts at the top corner. The refrigerator has a mass of
vaieri [72.5K]

Answer:

(a) P = 459.055 N.

(b) the refrigerator tips.

Explanation:

Given, the angle of ramp is 20°.

When the weight of refrigerator is resolved in directions parallel and perpendicular to ramp, 75×g×sin(20°) and 75×g×cos(20°).

⇒ normal contact force is 75×g×cos(20°).

⇒ frictional force is 0.3×75×g×cos(20°) = 207.414 N

so, total opposite force is 207.414 + 75×g×sin(20°) = 459.055 N.

so, the force needed is P = 459.055 N

And as the moment due to both opposite force and P force are in same direction the refrigerator tips rather than just sliding.

4 0
3 years ago
if a piece of sea floor has moved 50 km in 5 million years what is the yearly rate of sea-floor motion?
BartSMP [9]
<span>0.0001 km / year or 10^-5 km/year just take 50 km and divide it by 5 million</span>
6 0
3 years ago
Read 2 more answers
The planting of trees is determined to soil because it drains the soil of nutrients True or false
frutty [35]
True


~Nightcore
Hope this helped
3 0
3 years ago
Over a short interval the coordinate of a car in the meters isgiven by x(t) = 27t - 4.0 t3 where time t is in seconds,at the end
wariber [46]

Answer:

5. -24 m/s²

Explanation:

Acceleration: This can be defined as the rate of change of velocity.

The S.I unit of acceleration is m/s².

mathematically,

a = dv/dt ............................ Equation 1

Where a = acceleration, dv/dt = is the differentiation of velocity with respect to time.

But

v = dx(t)/dt

Where,

x(t) = 27t-4.0t³...................... Equation 2

Therefore, differentiating equation 2 with respect to time.

v = dx(t)/dt = 27-12t²............. Equation 3.

Also differentiating equation 3 with respect to time,

a = dv/dt = -24t

a = -24t .................... Equation 4

from the question,

At the end of 1.0 s,

a = -24(1)

a = -24 m/s².

Thus the acceleration = -24 m/s²

The right option is 5. -24 m/s²

4 0
3 years ago
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