Which of these is the most ductile? a. clay b. gold c. wood d. glass

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

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 ?

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =