You're conducting a physics experiment on another planet. you drop a rock from a height of 2.3 m and it hits the ground 1.1 seconds later. what is the acceleration due to gravity on this planet?
a. 4.2 m/s2
b. 3.8 m/s2
c. 2.4 m/s2
d. 9.8 m/s2

Jasmine is diving off a 3-meter springboard. her height in meters above the water when she is x meters horizontally from the end of the board is approximated by the equation h=-x^2+3x+3. what is the maximum height jasmine will reach on her dive?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?