What is a committee called that is temporarily assigned?

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

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Acorporation gives out its profits as dividends paid to whom?