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3 years ago

Which one of the following statements does not accurately describe vibrations?

1 answer:

8 0

Which one of the following statements does not accurately describe vibrations?
Answer: Force vibrations, such as those between a tuning fork and a large cabinet surface, results in a much lower sound than was produced by the original vibrating body.

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An angle of refraction is the angle between the refracted ray and the

morpeh [17]

Answer:

b) normal

Explanation:

The angle of refraction (transmission) Θt is the angle between the refracted ray and the normal N'. 2. When a light ray hits a surface normally, the angle between the incident ray and the normal is 0, so Θi = 0. Since the angle of reflection equals the angle of incidence, Θr= 0.

5 0

3 years ago

Read 2 more answers

Which property of gases best explains the ability of air bags to cushion the force of impact during a car accident?

Cerrena [4.2K]

Gasses because they are comperssible (plato)

7 0

3 years ago

Complete the following sentences. a. The motion of the particles is a model of__________. . b. The movement of particles from on

Leno4ka [110]

Effectiv was the morning time to go home

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3 years ago

When you exert 75 N on a jack to lift a 6000 N car, what is the jack’s actual mechanical advantage? Show your work.

professor190 [17]

Answer:

Explanation:

the mechanical advantage is the ratio of the load to the effort so it doesn't have units.to calculate it you use the formula

mechanical advantage=load/effort

in this case the load is 6000N and the effort is 75N

Ma=6000/75

=80

I hope this helps

3 0

3 years ago

A student on an amusement park ride moves in circular path with a radius of 3.5 m once every 4.5 s. What is the tangential veloc

nata0808 [166]

Answer:

the tangential velocity of the student is 4.89 m/s.

Explanation:

Given;

the radius of the circular path, r = 3.5 m

duration of the motion, t = 4.5 s

let the student's tangential velocity = v

The tangential velocity of the student is calculated as follows;

$v = \frac{2\pi r}{t} \\\\v = \frac{2 \pi \times 3.5}{4.5} \\\\v = 4.89 \ m/s$

Therefore, the tangential velocity of the student is 4.89 m/s.

6 0

3 years ago