A cell phone with mass 0.25 kg drops out of your hand. What is the kinetic energy of the cell phone if it falls at 5 m/s?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Choose each of the settings that follow and list them below do it ill mark brainliest first object= position= speed= acceleration= second object= position= speed= acceleration=

What are two different ways you could find the value of a? explain these methods.