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Gre4nikov [31]
3 years ago
7

The weight of an object on a planet depends not only on its mass, but also on its distance from the planet’s center. The table o

n page 431 lists the weight of 80 kg on each planet in the solar system. Uranus has more than 14 times as much mass as earth, yet the gravitational force is less. Explain how this could be?
Physics
2 answers:
kondaur [170]3 years ago
8 0

Answer:

Uranus has less mass than Earth

Explanation:

This is possible because of the mass of the planet. Distance and mass will influence the strength of gravity and the planet Uranus only contains gases and has no solids compared to Earth. This gives it less mass. Because of its small mass, the planet Uranus has less gravitational force.

lidiya [134]3 years ago
4 0

Answer:

sorry dk

Explanation:

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If the speed and mass of an object are doubled, which of the following is true?
Harman [31]

Answer:

A is true

Explanation:

Other all are wrong I guess

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3 years ago
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Ierofanga [76]

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3 years ago
For a given amount of gas at a constant temperature, the volume of a gas varies inversely with its pressure is a statement of __
Ksivusya [100]

Answer:

d. Boyle's

Explanation:

Boyle's Law: States that the volume of a fixed mass of gas is inversely proportional proportional to its pressure, provided temperature remains constant.

Stating this mathematically. this implies that:

V∝1/P

V = k/P, Where k is the constant of proportionality

PV = k

P₁V₁ = P₂V₂

Where P₁ and P₂ are the initial and final pressure respectively, V₁ and V₂ are the the initial and final volume respectively.

Hence the right option is d. Boyle's

8 0
3 years ago
Two pipes move the same amount of ideal fluid in the same amount of time. One pipe has a 2 in. diameter; the other has a 3 in. d
KATRIN_1 [288]

Answer:

a) 3-in. pipe

Explanation:

Given that

Fluid flow is in same amount in the same time it means that volume flow rate is same for the pipes

Volume flow rate

Q = A V

A=Area ,V=Velocity

A=\dfrac{\pi}{4}d^2

If diameter d is more then the velocity will be less for same volume flow rate .We also Know that if pressure is more then the velocity will be less.

The second pipe 3 in diameter having more diameter then the velocity will be less but the pressure will be more.

That is why the 3 in diameter is having more pressure than 2 in diameter pipe.

Therefore the answer will be a.

a) 3-in diameter  pipe

6 0
3 years ago
The rate at which the earth's surface loses heat and keeps earth temperature at which living things can survive
agasfer [191]
<span>I believe it's insulation.</span>
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3 years ago
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