consider two identical frictionless and banked curves – one is located on the earth, and the other is on the moon. if identical cars are to travel around each curve along a circle of the same radius, how must the speeds of the two cars compare?

While listening to operatic solos, musicians process the lyrics and the tunes in separate brain areas. this most clearly illustrates the functioning of different

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

How does the strength of the electrostatic force between an electron and a proton compare to the strength of the gravitational force between them?