3 years ago

Is the term used to describe an object with enough orbital energy to escape earth completely?

1 answer:

5 0

Escape velocity describes its speed. It becomes a satellite instead of falling back to earth because as it falls under Earth’s gravity the Earth has moved so the satellite falls around the planet instead of down to the ground.

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A student drops a rock from a bridge to the water 12.7 m below. with what speed does the rock strike the water? the acceleration

kolezko [41]

The rock strike the water with the speed of 15.78 m/sec.

The speed by which rock hit the water is calculated by the formula

v= $\sqrt{2gh}$

v= $\sqrt{2*9.8*12.7}$

v=15.78 m/sec

Hence, the rock strike the water with the speed of 15.78 m/sec.

7 0

2 years ago

Would the springs inside a bathroom scale be more compressed or less compressed if you weighed yourself in an elevator that was

Ber [7]

More compressed. moving up = apparent weight (i.e., your norma force) is greater. this means you’ll weighr more and push those springs down even more than you would at rest.

6 0

2 years ago

Does the image above correctly illustrate how the coriolis effect impacts global winds?

Sedbober [7]

Yes the winds are moving in a straight line

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2 years ago

Gravity is not considered matter. <br>A. True <br>B. False

Strike441 [17]

Answer:

false gravity is not considered matter

7 0

3 years ago

A substance has life of 40 years. In how many years will the substance disintegrate to 1/8 of its initial size

tia_tia [17]

Answer:

5 years

Explanation:

$\frac{1}{8}(40)\\\\= 5$

8 0

1 year ago