2. A pitcher threw a baseball straight up at 39 meters per second. What was the ball's velocity after 2.50 seconds?

What is the magnitude of the resultant vector round your answer to the nearest tenth

Use the illustration to describe how the electromagnetic spectrum changes as its frequency moves from radio waves to higher energy gamma waves in terms of wavelength and amplitude.

You add 800 ml of water at 20c to 800 ml of water at 80c what is the most likely final temperature of the mixture ? a. 100c b. 60c c. 25 c d.50c