Ronny and Justin are playing with a bouncy ball instead of doing their homework. Justin lets go of it and it falls for 3.54 seconds before it bounces. How high was it?

What is special about a dc circuit ?

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?