10 Projectile and Satellite Motion

Multiple Choice

As a ball leaves the girl's hand, 1 second later it will have fallen

• 10 meters.

• 5 meters below the dashed line.

• less than 5 meters below the straight-line path.

• None of the answer are correct.

Multiple Choice

When you toss a projectile sideways, it curves as it falls. It will be an Earth satellite if the curve it makes

• matches the curved surface of Earth.

• results in a straight line.

• spirals out indefinitely.

• none of the answers are correct.

Multiple Choice

When a satellite travels at a constant speed, the shape of its path is

• a circle.

• an ellipse.

• an oval that is almost elliptical.

• a circle with a square corner, as seen throughout your book.

Multiple Choice

The speed of a satellite in an elliptical orbit

• varies.

• remains constant.

• acts at right angles to its motion.

• All of the answers are correct.

Multiple Choice

When a projectile achieves escape speed from Earth, it

• forever leaves Earth's gravitational field.

• outruns the influence of Earth's gravity, but is never beyond it.

• comes to an eventual stop, returning to Earth at some future time.

• All of the answers are correct.