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3 years ago

What causes objects to move or stay still?

Physics

2 answers:

alekssr [168]3 years ago

8 0

Force or forces (in physics: net force)

wel3 years ago

5 0

If it is still, it will tend to remain still, due to inertia. But a net force would start it moving.
<span>If it is moving, it will tend to continue moving, due to inertia. But a net force, in the right direction, could cause it to stop. But if that force continues, it will start moving in the opposite direction.

Hope this helps :)</span>

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What material structure explanation lies behind the fact that the propagation velocity of longitudinal waves is the lowest in ga

Lina20 [59]

Answer:

What material structure explanation lies behind the fact that the propagation velocity of longitudinal waves is the lowest in gases and the highest in solids?

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3 years ago

A bicycle racer rides from a starting marker to a turnaround marker at 10 m/s. She then rides back along the same route from the

vitfil [10]

Answer:

12.31 m/s

Explanation:

If we recall from the previous knowledge we had about speed,

we will know that:

speed = distance/ time.

As such:

The average speed of the rider bicycle is

average speed = total distance/ total time

Mathematically, it can be computed as:

$v_{avg} = \dfrac{d+d}{\dfrac{d}{v_1}+ \dfrac{d}{v_2}}$

$v_{avg} = \dfrac{2d}{\dfrac{d}{10 \ m/s}+ \dfrac{d}{16 \ m/s}}$

$v_{avg} = \dfrac{2}{\dfrac{1}{10 \ m/s}+ \dfrac{1}{16 \ m/s}}$

$v_{avg} = \dfrac{2}{\dfrac{13}{80 \ m/s}}$

$\mathbf{v_{avg} =12.31 \ m/s}$

8 0

3 years ago

What is the wavelength

melamori03 [73]

The distance between two particles that are <em>in phase</em>

4 0

4 years ago

Which of the following are functions of both cells and living organisms?

Nana76 [90]

I believe it is, All of the above.

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3 years ago

A SUV is towing a trailer and accelerating on a level road. The force that the SUV exerts on the trailer is _____. equal to the

stepladder [879]

Answer:

equal to the force the trailer exerts on the road.

Explanation:

Because of the tension of the rope, the force that the SUV exerts on the trailer is equal and opposite to the force that the trailer exerts on the SUV. This is explained in Newton's third law of motion, which states that for every action, there is always an equal and opposite reaction.

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3 years ago