A ball is dropped and falls with an acceleration of 9.8m/s2 downward. it hit the ground with a velocity of 49 m/s downward. how long did it take the ball to fall to the ground?

Why should the angular displacement of a simple pendulum not exceed 4 radian

Which of the following choices best describes an object's velocity? Question 1 options: a. The bus traveled at 50 mph for 20 minutes. b. The airplane traveled southwest at 280 mph. c. The car went from 35 mph to 45 mph. d.

A van moves with a constant speed of 76 miles per hour. How far can it travel in 2 1/2 hours?

A force of 1 N will cause a mass of 1 kg to have an acceleration of 1 m/s2. Therefore, a force of 7 N applied to a mass of 7 kg will cause it to accelerate at what rate? 1 m/s2 0.14 m/s2 8 m/s2 49 m/s2 7 m/s2

Several hormones are released during puberty. What are these hormones? How do they impact a teenager during puberty? Justify your answer.

1875 kg car is traveling at 22 m/s. It's momentum is?

Hot air balloon rises because a) molecules become lighter when heated b) molecules move faster and farther apart when heated c) molecules are less attracted by gravity when heated d) molecules become charged and repel each other when heated

If the diameter of the space station is 730 m, how many revolutions per minute are needed for the "artificial gravity" acceleration to be 9.80m/s2?

A person who has dissociative identity disorder: O A. cannot remember who he or she is. O B. has panic attacks when confronted. C. has two or more distinct personalities OD hears voices

Which force most likely created this mountain? compression gravity sheaning tension