PLEAAASSEEE help me with these! This is all new and all but idek where to start! They're due by the end of today, so if after midnight on 10-29, don't even bother answering them :(

(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.

A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer