A quarterback threw a football at 24 m/s at a 45° angle. If it took the ball 3 seconds to reach the top of its path.

how long was it in the air? Assume the ball is caught at the same height that it left the quarterback's hand.

If wind is slackening, which of the following statements is true? It is not as windy now as it was a little while ago. It is windier now than it was a little while ago. The wind is now mixed with rain and sleet.

A degausser creates a magnetic field that erases data from magnetic storage media?

Walking across the carpet is an example of charge being transferred by

An aerobatic airplane pilot experiences weightlessness as she passes over the top of a loop-the-loop maneuver. The acceleration of gravity is 9.8 m/s 2. If her speed is 450 m/s at this time, find the radius of the loop. Answer in units of km

What are two major motions of earth as it travels through space?

0.2000 kg of water at 20.00°C is contained in a 0.1000-kg copper container. The container is shaken vigorously for 10.00 minutes to cause the temperature to rise to 22.00°C. Calculate the work done on the system and the heat supplied to the system.

Suppose all of the apples have a mass of 0.10 kg and one of the apples in the bowl (C) is 1.0 meter off the ground. If the apple (C) falls from the table, what is the maximum kinetic energy it can gain?

Where would a car traveling on a roller coaster have the most potential energy At the bottom It's always the same At the top Halfway to the top

Is a magnetic reversal a threat to life on Earth? Whay do you say?

What are the adaptions of the tundra