Simplifying Nonperfect Roots Answers

Suppose a scientist were to drop a cannonball from the Leaning Tower of Pisa from a height of 180 ft.Which expression could be used to determine how long, in seconds, it would take the cannonball to hit the ground?

What is the simplest form of the expression?

To the nearest tenth of a second, how long would it take the cannonball to hit the ground? s

Ignoring air resistance, how long would it take a dropped penny to fall 100 ft on Earth?0.6 s0.8 s1.8 s✔ 2.5 s

A tennis ball and a bowling ball are dropped from the same height at the same time on the moon. Based on what you have read about Galileo’s experiments, describe the behavior of the balls.

An arrow is dropped from a height of 5 ft. Which expression gives the time, in seconds, it will take the arrow to hit the ground?

On the Moon, acceleration resulting from gravity, g, is about 5.3 ft/s2. Which expression gives the time, in seconds, it would take a dropped penny to fall 100 ft on the Moon?

Check each item below that you included in your response.

To the nearest tenth of a second, how long will it take the arrow to hit the ground?s

To the nearest tenth of a second, how much longer would it take a dropped penny to fall 100 ft on the Moon than it would on Earth? s longer

At the same time that the first arrow is dropped, a second arrow is shot from a height of 5 ft with an initial vertical velocity of 0 ft/s, but a horizontal velocity of 100 ft/s. When does the second arrow hit the ground, assuming it does not hit anything else first? Ignore the effects of air resitance.