Simon is riding a bike at 12 km/h away from his friend kesha. he throws a ball at 5 km/h back to keesha who is standing still on a sidewalk. how fast you would kesha say the ball is traveling?

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

(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 coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.