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Nezavi [6.7K]
3 years ago
7

PLZ HELP 20 POINTS If you aimed all the various colored spot lights at the actor on a stage, the combined light would appear to

be:
O like a rainbow
translucent
white
black​
Physics
2 answers:
Dmitry [639]3 years ago
7 0
Like a rainbow, I had this exact same question ‘
Mama L [17]3 years ago
6 0
Like a rainbow I had this question awhile back
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What is the acceleration of a ball thrown vertically upward in the presence of Earth’s
adelina 88 [10]

Answer:

-9.8 m/s/s

Explanation:

8 0
3 years ago
The previous part could be done without using the decay equation, because the ratio of original 14C14C to present 14C14C was an
salantis [7]

Answer:

The decay constant is 1.21×10^-4/year

Explanation:

Decay constant = 0.693/half-life

Half-life = 5730 years

Decay constant = 0.693/5730 years = 1.21×10^-4/year

4 0
4 years ago
12.0-kg block is pushed across a rough horizontal surface by a force that is angled 30.0◦below thehorizontal. The magnitude of t
drek231 [11]

Answer: Fr = 26.53 N

Explanation: The constant force exerted on the block by the surface is the frictional force.

This frictional force is as a result of interaction between the body and the surface.

According to newton's second law of motion,

F - Fr = ma

F=applied force

Fr = magnitude of frictional force

m = mass of object = 12kg

a = acceleration of object = 3.2m/s²

The applied force (F= 75 N) is inclined at an angle of 30° to the horizontal thus making it have 2 components of forces given below

Fx = 75 * cos 30 = 64.95 N (horizontal component)

Fy = 75 * sin 30 = 37.5 N ( vertical motion)

The body moves across the surface, hence the horizontal component of force is responsible for motion.

F = 64.95 N

By substituting the parameters, we have that

64.96 - Fr = 12 * 3.2

64.96 - Fr = 38.4

Fr = 64.96 - 38.4

Fr = 26.53 N

7 0
3 years ago
Read 2 more answers
In which of the following processes does the molecules become more orderly?A) water freezing B) ice melting C) water evaporating
Sliva [168]

A) Water freezing

This is called the process of turning water as a liquid to its solid form which is ice.

Ice is almost together as one unlike liquid. This is why the molecules are more orderly.

The process of freezing is exothermic which means the heat has to be removed in the process.

5 0
3 years ago
The magnitude of the resultant force is to be 200 N, directed along the positive ݒaxis. Determine the magnitude of the force Fin
Ilia_Sergeevich [38]

Answer: F = 776.18N θ = 29.41°

Question:

The magnitude of the resultant force is to be 200 N, directed along the positive y-axis. Determine the magnitude of the force F Find the angle θ.

Attached is the image.

Explanation:

To solve this question we need to resolve the forces to the x and y axis.

For the x axis;

Fcosθ = 700cos15....1

For the y axis;

200 = Fsinθ - 700sin15

Fsinθ = 200 + 700sin15 ...2

Dividing equation 2 by 1

Fsinθ/Fcosθ = (200 + 700sin15)/700cos15

Tanθ = (200 + 700sin15)/700cos15

θ = Taninverse(200 + 700sin15)/700cos15)

θ = 29.41°

From equation 1;

F = 700cos15/cosθ

F = 700cos15/cos29.41

F = 776.18N

3 0
4 years ago
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