Please answer all the questions

See Below for explanation and answers

Explanation:

We are going to solve these problems using the formula:

W = mg

Where

W is weight in Newtons (N)

m is mass in (kg)

g is acceleration due to gravity

g on earth is 9.8 m/s^2

So,

Weight on Earth = mg = 45 * 9.8 = 441 N

Mass doesn't change, so on Jupiter, Felicia's mass would be same.

Mass on Jupiter = 45 kg

The weight on Jupiter would change because of g changing to 25, so

Weight on Jupiter = mg = 45 * 25 = 1125 N

Moon's g is 1/6th of earth, so it would be:

Moon g = (1/6)*9.8 = 1.63

Now,

On earth weight of backpack = mg = 1760

On moon weight would be = m(1/6 g) = 1760/6 = 293.33 N

A) Backpack Weight on Moon = 293.33 N

On moon, the mass would be same as earth, so lets calculate:

W = mg

293.33 = m (1.63)

m = 179.96 kg

B) Mass of Backpack on Moon = 179.96 kg

Taking he is on earth with a weight of 1150 Newtons, his mass would be:

W = mg

1150 = m(9.8)

m = 117.35 kg

Mass = 117.35 kg

Weight = 1150 N

g is Mars is 3.7

Weight on earth is 64 N

the g of Mars is   of the g on earth, so weight would go down by that factor.

Weight of Melon on Mars = 64 * 0.38 = 24.32 N

The mass would be (on Mars):

W = mg

24.32 = m (3.7)

m = 6.57 kg

Mass of Melon on Mars = 6.57 kg

b) returns freshwater to the earth.

c) returns freshwater to the earth.c) occurs after condensation.

d) returns freshwater to the earth.c) occurs after condensation.d) roughly equal to the amount of evaporation.

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the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.