A1210 kg roller coaster car is moving 6.33 m/s. as it approaches the station, brakes slow it down to 2.38 m/s over a distance of 4.20 m. what is the magnitude of the force applied by the brakes? (unit=n)

The four giant gas points that are made primarily of lightweight elements are

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.