1 year ago

What two factor affect the speed of wave as it travels through a medium

Physics

1 answer:

Aleksandr [31]1 year ago

5 0

I believe it’s density and temperature

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B . energy cannot be created or destroyed

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2 years ago

What type of energy is used by your body when you eat food?

spin [16.1K]

Answer:

Chemical energy

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3 years ago

A backpack weighs 8.2 newtons and has a mass of 5kg on the moon. What is the strength of the gravity on the moon?

Pavel [41]

Weight is equivalent to the product of the mass of an object and the strength of the gravitational field.

Using:
F = ma

a = 8.2 / 5
a = 1.64 N/kg

The gravitational field strength is equivalent to 1.64 N/kg.

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3 years ago

A sled of mass 15 kg slides across the ground with a friction force of 80.85 N. What is k between the sled and the ground?

Dvinal [7]

The expression for the frictional force between the sled and the ground is:
$F=k m g$
where $k$ is the coefficient of friction, m is the mass of the object and $g=9.81 m/s^2$ is the gravitational acceleration.

The friction force in our problem is F=80.85 N. The mass of the object is m=15 kg. Re-arranging the formula, we can find the value of k:
$k= \frac{F}{mg}= \frac{80.85 N}{(15 kg)(9.81 m/s^2)}=0.55$

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3 years ago

Read 2 more answers

ANSWER THIS AND YOU WILL BE THE BRAINLIEST

VladimirAG [237]

Answer:

Explanation:

it is correct

6 0

3 years ago