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snow_tiger [21]
3 years ago
11

Help

Physics
1 answer:
photoshop1234 [79]3 years ago
7 0

Answer:

It conserves both energy and momentum in the collision at the same time. By design, when the balls collide the strings that hold them up are vertical (assuming balls are only swung from one side).

Explanation:

Hope This Helps!!

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When drawing a free-body diagram for an object on an inclined surface, which way does the force of gravity point? A. Straight do
babunello [35]
A- Straight Down

Remember wherever the object is, whether it is straight or inclined, gravitational pull will always act downwards.
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4 years ago
Explain why 15yr old need more calcium than adults
Tom [10]

Answer:

When adolescents get enough calcium during the teen years, they can start out their adult lives with the strong bones and significantly reduce their risk for fractures as an adult. Inadequate calcium intake during adolescence and young adulthood puts individuals at risk for developing osteoporosis later in life.

8 0
3 years ago
Read 2 more answers
What happens to a light ray if it is incident on a reflective surface along the normal?
Bad White [126]

Answer: The incident ray and the reflected ray and the normal will be parallel to each other.

Explanation:

The normal is perpendicular to the surface of the mirror or the reflective surface.

According to the law of reflection which state that:

The angle of incidence is always equal to the angle of reflection on a smooth surface.

If a light ray is incident on a reflective surface along the normal. The angle of incidence will be at 90 degrees which will be perpendicular to the surface of the mirror, the reflected ray will bounce back likewise at the same angle which will be perpendicular to the reflective surface.

Both the incident ray and the reflected ray and the normal will be parallel to each other.

4 0
3 years ago
You are out for a bicycle ride on a calm, windless day. You are heading northward on a level road and are experiencing a pressur
goldenfox [79]
The answer is (C)= zero but that it is swirling rapidly in all directions.
8 0
3 years ago
Two horizontal forces are exerted on a large crate. The first force is 317 N to the right. The second force is 173 N to the left
DENIUS [597]

Answer:

A. Refer to the figure.

B. The net force acting on the crate is

F_{net} = F_1 - F_2 = 317 - 173 = 144N

C. We should first find the acceleration of the crate using the following kinematics equation:

v = v_0 + at\\6.5 = 0 + 5a\\a = 1.3 m/s^2

Mass of the crate can be found by Newton’s Second Law:

F = Ma\\M = F/a = 144/1.3 = 110.7 kg

7 0
4 years ago
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