An egg suspended above the ground has 93.1 j of gravitational potential energy. the egg is then dropped and falls to the ground. what is the kinetic energy of the egg just as it reaches the ground?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.

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?