Due tonight!
how do you find impact force of a ball, with only the height, and the force of the ball dropped from different heights?

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

World class speed skaters can skate a 3,000-m course in about 4 minutes.what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.