Review the phases of the cell cycle in model 1 by placing the abbreviated phase name (g1 , s, g2 or m) next to the proper description. the cell grows by producing more proteins and organelles. dna replication occurs. the cell prepares for cell division with the appearance of centrosomes. mitosis and cytokinesis occurs.

1. you serve a volleyball with a mass of 2.1 kg. the ball leaves your hand with a speed of 30 m/s. the ball has energy. calculate it. 2. a baby carriage is sitting at the top of a hill that is 21 m high. the carriage with the baby weighs 12 n. the carriage has energy. calculate it. 3. a car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. the car has . calculate it.