Aball is dropped from a height of 20 meters. at what height does the ball have a velocity of 10 meters/second?

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply

Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?