Scientists have utilized the Very Large Array in New Mexico to do ALL BUT ONE of the following. That is

Physics

1 answer:

musickatia [10]4 years ago

7 0

It's B, I had this test man.

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A(n)_______is a reflected<br> sound wave.

strojnjashka [21]

Answer:

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Explanation:

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3 years ago

Why is it important to know the center of gravity of an object?

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a motorcycle traveling on the highway at a velocity of 120 kilometre-per-hour passes a car traveling at a velocity of 90 kilomet

musickatia [10]

Answer:

The relative velocity of the motorcycle to a passenger in the car is 30 km/h

Explanation:

The question relates to the principle of relative velocity and reference frames

The given parameters are;

The velocity of the motorcycle, v₁ = 120 km/h

The velocity of the car, v₂ = 90 km/h

The relative velocity of an object X with regards to another object Y is the velocity the object X will seem to be moving with to an observer in the rest frame of object Y written as $\underset{v}{\rightarrow}_{X|Y}$ = $\underset{v}{\rightarrow}_{X}$ - $\underset{v}{\rightarrow}_{Y}$