Your weight on the Earth is 970 N . What is your weight on Mars? Assume the mass of Mars is roughly 0.11 of the Earth's mass, and the radius of Mars is roughly 0.53 of the Earth's radius.

Express your answer with the appropriate units.

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)