The average speed of a greyhound bus from lansing to detroit is 104.5 km/h. on the return trip from detroit to lansing the average speed is 56.2 km/h on the same road due to heavy traffic. what is the average speed of the bus for the round trip?

(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.