From the gravitational law calculate the weight w (gravitational force with respect to the earth) of a 67-kg man in a spacecraft traveling in a circular orbit 263 km above the earth's surface. express w in both newtons and pounds.

Asher cycles 12 miles in 16 hours. what is his speed?

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

(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.