A ballon drits 30m toward the east in 10s ; then the wind suddenly changes and the ballon files 50 m toward the west in the next 5s what was its average velocity during the first 10s

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

How much heat is needed to raise the temperature of 5g of water by 16°c?

Abenefit of using good human relations is that you'll a. have an easy time getting a better job. b. adjust to new situations better. c. find new and better friends. d. try to outdo your friends.