Adiver is on a board 3.00 m above the water she jumps straight up at 3.25 m/s. how many seconds later does she hit the water ?
vi- 3.25
deltay- 3
a- -9.8
i can’t figure it out

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

When an object is heated it contracts. a. true b. false

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes