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Dmitriy789 [7]
3 years ago
6

How does the light model help you change the location of the Shadow

Physics
2 answers:
Alex73 [517]3 years ago
5 0
Light models help because depending ion where it is, it changed the way the shadow appears. That's why youre shadow can appear small or large
timama [110]3 years ago
3 0
The light model helps you change the location of the shadow is because when light comes the shadow moves farther and farther that is what I learned in science today
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Answer:

The net force is zero

Explanation:

When an object is falling, there are two forces acting on it:

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- The air resistance, which acts against the motion of the object, so it pulls upward

While the magnitude of the force of gravity is constant, the magnitude of the air resistance increases as the velocity of the falling object increases: at some point of the motion, the air resistance becomes equal in magnitude to the force of gravity. At this point, the net force on the object becomes zero, and according to Newton's second law, the acceleration of the object becomes also zero:

F=ma

But zero acceleration means that the velocity of the object is now constant: this is known as terminal velocity.

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Answer:

Multiply the time by the acceleration due to gravity to find the velocity when the object hits the ground. If it takes 9.9 seconds for the object to hit the ground, its velocity is (1.01 s)*(9.8 m/s^2), or 9.9 m/s.

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marishachu [46]

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