A 32 kg skateboarder is riding a 1 kg skateboard at a speed of 4.3 m/s. If he jumps off the board with a velocity of 9 m/s, what is the velocity of the skateboard once he leaves?

Jason is a body builder. despite being more fit, he weighs more than his brother ryan, who is the same height. which is a possible reason? a. jason has more muscle mass than ryan does. b. jason has more body fat than ryan does. c. jason has more muscle mass and body fat than ryan does d. jason has less body fat than ryan does.

Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec

What is special about a dc circuit ?