You are standing on top of a 344 m tall building. a drone operated by your friend is headed straight down, at a speed of 37.0 m/s. just as the drone passes you, you release a tennis ball off the roof. how fast is the ball going when it passes the drone?

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

J. j. thomson’s experiment disproved the theory that an atom

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.