A baby carriage is sitting at the top of a hill that is 20 m high. The carriage with the baby weighs 2 kg. How much potential energy does the baby
carriage have?

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

(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.

How does an observation about an object differ from an inference about that object