A person standing still on a skateboard decides to jump off quickly. If the velocity of the person in one direction is 4 ft./s, what is the velocity of the skateboard in the other direction? The skateboard weighs 15 pounds and the person weighs 120 pounds

Coal contains energy. a. light b. kinetic c. chemical d. mechanical

Using a caesar cypher with an offset of three characters (a -> d, b -> e, z -> c), what would be the correct cypher text for the plain text "attack at dawn"?

Choose the correct general statement concerning the total potential and kinetic energy at any point along the arc of swing. the total energy at any point along the arc of swing of the pendulum is always less than 12 joules. the total energy at any point along the arc of swing of the pendulum is always more than 12 joules. the total energy at any point along the arc of swing of the pendulum is always equal to 12 joules. not enough information to determine