You release a pendulum of mass 1kg from a height of 0.75 m. 1. if the pendulum loses 18% of its initial energy by the time it reaches the bottom how fast is it going when it reaches the bottom?

2. if the pendulum loses another 7% of its remaining energy by the time it reaches the other side, how high up does it go?

Which surface feature of the moon is characterized by mountainous areas? terrae craters maria regolith

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

Answer as quick as ! kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energyb. motion energyc. sound energyd. thermal energy