wake up in a strange room with no windows. This time you drop a ball from a height of 2.24 m and it hits the floor 0.203 s after you drop it. This time you suspect you are on a rocket that has just left the surface of the Earth, and is still not t

A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 4.0 m/s, and her takeoff point is 1.1 m above the pool.  Find how long her feet are in the air. Group of answer choices 1.03 2 0.28 s 0.22 s 0.44 s

OK, this is the last time for one of these crazy adventures. THIS time, though, there is a window in the floor, and you can see that you re in a rocket which has just taken off from the surface of an alien planet. By taking careful measurements out that window you determine that the rocket is accelerating upward at 8.29 m/s^2. When you drop a ball from a height of 2.08 m, it hits the floor 0.207 s later. What is the value of g for the alien world below you?     97.9 m/s^2     168.7 m/s^2     88.8 m/s^2     106.9 m/s^2

A tennis ball with a speed of 27.8 m per s is moving perpendicular to a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 20.016 m per s. If the ball is in contact with the wall for 0.0133 s, what is the average acceleration of the ball while it is in contact with the wall? Take toward the wall to be the positive direction. Answer in units of m per s2.