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Diano4ka-milaya [45]
3 years ago
9

True or false Sound waves do not require a medium in which to travel

Physics
2 answers:
Delicious77 [7]3 years ago
7 0
False. That's why sound cannot be heard in space.
fredd [130]3 years ago
4 0
I would recomend you false
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The mass of an object is 60kg on the surface of the earth what will be its weight on the surface of the moon
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Answer:

Wm = 97.2 [N]

Explanation:

We must make it clear that mass and weight are two different terms, the mass is always preserved that is to say this will never vary regardless of the location of the object. While weight is defined as the product of mass by gravitational acceleration.

W = m*g

where:

m = mass = 60 [kg]

g = gravity acceleration = 10 [m/s²]

But in order to calculate the weight of the body on the moon, we must know the gravitational acceleration of the moon. Performing a search of this value on the internet, we find that the moon's gravity is.

gm = 1.62 [m/s²]

Wm = 60*1.62

Wm = 97.2 [N]

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