A48.8-g golf ball is driven from the tee with an initial speed of 44.7 m/s and rises to a height of 25.3 m. (a) neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) what is its speed when it is 5.40 m below its highest point?

Erosion of the beach is normally a slow process. however, in certain situations, large chunks of shore may wash out to sea. what could cause this to happen?

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?