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3 years ago

What is the free-fall acceleration at the surface of the moon?

1 answer:

4 0

The acceleration due to gravity is 1.62m/s^2, this is because the moons gravity is 1/6th that of Earth's (9.81m/s^2) hope this helps! you could also use Newton's law of gravity, F=GM/R^2 where g is the universal gravitational constant, M= mass of the object and R=radius. There should be a neg sign in front of the equation since objects in free fall fall downwards from the given object. Hope this Helps........

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At what phase or phases could water exist at 4.579mm pressure and 0.0098°C?

zimovet [89]

The correct answer is A. The water at this conditions is in the solid phase. This can be verified by using a phase diagram. A phase diagram is a figure which shows the phases of a certain substance at a specific temperature and pressure.

7 0

4 years ago

What is the net force (magnitude and direction) of the system below?

Crank

The net force (magnitude and direction) of the system given in the question is 40 N horizontal to the right

<h3>How to determine the net force</h3>

Case 1 (Net force between up and downward force)

Force up (Fu) = 50 N
Force down (Fd) = 30 N
Net force 1 (F1) = ?

F1 = Fu - Fd

F1 = 50 - 30

F1 = 20 N up

Case 2 (Net force between right and left)

Force right (Fr) = 60 N
Force left (Fl) = 20 N
Net force 2 (F2) = ?

F2 = Fr - Fl

F2 = 60 - 20

F2 = 40 N right

SUMMARY

Net force between up and down = 20 N up
Net force between right and left = 40 N right

From the above, the net force between right and left (i.e 40 N) is greater than the net force between up and down (i.e 20 N)

Thus, the net force of the system will be 40 N horizontal to the right

Learn more about force:

brainly.com/question/14361879

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4 0

2 years ago

If there is air friction, which falls faster? Why?

Sedaia [141]

Answer:

Galileo discovered that objects that are more dense, or have more mass, fall at a faster rate than less dense objects, due to this air resistance.

3 0

3 years ago

Which of the following is not a greenhouse gas?

Luba_88 [7]

Those are all greenhouse gases but i'd say the answer is propane because it has the least carbon content

4 0

4 years ago

Read 2 more answers

How do you calculate joules? someone please help me I beg

Gnoma [55]

Answer:

<h2>Joules = Watts × Seconds</h2>

Explanation:

If you multiply the number of watts by the number of seconds, you'll end up with joules.

5 0

3 years ago