If light travels at 3.00

Which changes of state do the labels represent? a: b: c:

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

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 ?