How is wave velocity calculated?

Answers

Answer 1

Answer: Velocity of a wave (v) = frequency (f) × wavelength (λ)As mentioned above, the velocity of a wave is related with its frequency and wavelength by the following equation. In order to find the velocity of sound using this equation, we need to know both the frequency and the wavelength of sound.

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Race car drivers must slow down as they make turns on the track. This is best explained by the law of inertia. Which statement best describes inertia for the car going around a turn? A) A body in motion stays in motion at the same speed.
B) The speed of the car going into the turn must be conserved.
C) The speed around a turn is proportional to the radius of curvature of the turn.
D) A body in motion tends to continue in a straight line and requires a force to turn.

Answers

Answer:

D) A body in motion tends to continue in a straight line and requires a force to turn.

Explanation:

A body in motion tends to continue in a straight line and requires a force to turn. Also, If no force is applied the race cars will keep moving in a straight line at constant speed and this will definitely lead to an accident/breakdown.

It was D! I took a test on this and it was right.

Which of the following can be an organic cause of chemical weathering?A. loess
B. lichen
C. freezing
D. expansion

Answers

the answer would be B i just did this 3 days ago

the answer is B or C because the weather can cause freezing

A machine has a mechanical advantage of 5. if 300 newtons of input force is used to produce 3,000 newton meters of work what is the output force and what is the distance over which the work is applied

Answers

F(in) x d(in)= F(out)x d(out)
A machine has a mechanical advantage of 5.
F(out )= 5xF(in)300 newtons

F(in) = 300 N
F(out)= 5xF(in) = 5x300 N
= 1500 N

Work in = Work out = 3000 N x m3000
N x m = F_in x d_ind_in = 3000 Nxm / F_in = 3000 N x m / 300 N = 10 m3000 Nxm = F_out x d_out d_out = 3000 Nx m / F_out = 3000 N x m / 1500 N = 2 m

Answer:

D. 3600 N

Explanation:

On edg.

What is the process of preparing a person to perform strenuous work and to recover from that work as quickly as possible?

Answers

The process of preparing a person to perform strenuous work and to recover from that work as quickly as possible is called training, I bet. Such warm up exercises as like stretching and other should lead person to the recovery. Hope it will help.

Light bounces off the surface of an object in a process called

Answers

Light bounces off the surface of an object in a process called REFLECTION.

Reflection is the answer

Will the sun ever explode as a type i supernova?

Answers

Answer:

Yes.

Explanation:

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