A 2.00 kg ball is thrown upward at some unknown angle from the top of a 20.0 m high building if the initial magnitude of the velocity of the ball is 20.0 m/s. What is the magnitude of the final velocity when it strikes the ground? (ignore air resistance.)

What can you increase the strength of an electromagnet by

Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane