Carlos uses one golf ball to set another golf ball in motion. The following diagram shows how Carlos designs his experiment. Carlos releases the ball on the string from different heights. Each time, the first ball strikes the second ball, which then rolls down the track. Which force causes the first ball to swing downward? A a pull due to gravity
B a pull from the string
C a push from Carlos's hand
D friction between air and the golf ball​

How many chromosomes are in a gold fish?

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

Astore manager timed janette to see how long it would take her to fold and put away a sweater, a shirt, a pair of pants, and a scarf. it took her 26.1 seconds for the shirt, 24.3 seconds for the sweater, 32.8 seconds for the pants, and 18.2 seconds for the scarf. what was the average time it took janette to fold and put away all four items? during a catered lunch, an average of 4 cups of tea are poured per minute. the lunch will last 2 hours. how many gallons of tea should the caterer bring if there are 16 cups in one gallon?