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valina [46]
3 years ago
5

“Is there a relationship between mass and gravity of a planet?” If there is a relationship, (such as- as the mass gets bigger th

e rate of gravity increases) I don’t know how to explain Saturn having less gravity than Earth and that’s where I’m stuck.
Physics
1 answer:
Vedmedyk [2.9K]3 years ago
7 0
Saturn has a greater gravity than Earth. Saturn = 10.44 m/s^2 and Earth = 9.81 m/s^2
The gravity of Saturn would be many times greater if it wasn’t fir its huge size! That means in the surface of Saturn you are many times further away from the centre if it’s mass.
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3 years ago
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Continental crust is primarily witch kind of rock
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A(n) 1400-kg car going at 6.32 m/s in the positive x direction collides with a 2900-kg truck at rest. The collision is totally i
tresset_1 [31]

Answer:

a) Acceleration of the car is given as

a_{car} = -21 m/s^2

b) Acceleration of the truck is given as

a_{truck} = 10.15 m/s^2

Explanation:

As we know that there is no external force in the direction of motion of truck and car

So here we can say that the momentum of the system before and after collision must be conserved

So here we will have

m_1v_1 + m_2v_2 = (m_1 + m_2)v

now we have

1400 (6.32) + 2900(0) = (1400 + 2900) v

v = 2.06 m/s

a) For acceleration of car we know that it is rate of change in velocity of car

so we have

a_{car} = \frac{v_f - v_i}{t}

a_{car} = \frac{2.06 - 6.32}{0.203}

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b) For acceleration of truck we will find the rate of change in velocity of the truck

so we have

a_{truck} = \frac{v_f - v_i}{t}

a_{truck} = \frac{2.06 - 0}{0.203}

a_{truck} = 10.15 m/s^2

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3 years ago
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Answer:

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Explanation:

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A metal ball has a mass of 2.05 kg and a volume of 6.8 cm. What is its density? Remember
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Answer:

the density is 0.301 :)

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