Abungee cord with a spring constant of 800 stretches 6 meters at its greatest displacement. how much elastic potential energy does the bungee cord have?

Which example has gravitational potential energy? a.a horse slowing down from a run b.an apple about to fall from a tree branch c.a bicycle being pedaled down a horizontal path d.beaker sitting on the floor

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?