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Ksivusya [100]
3 years ago
8

As the Moon orbits Earth, its direction constantly changes. Which of these forces is most likely causing this change in velocity

? Select one:
a. applied force
b. friction force
c. gravity
d. tension force
Physics
1 answer:
zysi [14]3 years ago
8 0
Gravity is the most likely force causing this phenomenon. please leave a thanks
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Answer:

v = 2.18m/s

Explanation:

In order to calculate the speed of Betty and her dog you take into account the law of momentum conservation. The total momentum before Betty catches her dog must be equal to the total momentum after.

Then you have:

Mv_{1o}+mv_{2o}=(M+m)v        (1)

M: mass Betty = 40kg

m: mass of the dog = 15kg

v1o: initial speed of Betty = 3.0m/s

v2o: initial speed of the dog = 0 m/s

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v=\frac{Mv_{1o}+mv_{2o}}{M+m}=\frac{(40kg)(3.0m/s)+(15kg)(0m/s)}{40kg+15kg}\\\\v=2.18m/s

The speed fo both Betty and her dog is 2.18m/s

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The distance traveled, in feet, of a ball dropped from a tall building is modeled by the equation d(t) = 16t2 where d equals the
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When  t=2, the ball has fallen     d(2) = 16 (2²) = 64 feet .

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