Acar goes around in a circular curve on a horizontal road at constant speed. what is the direction of the friction force on the car due to the road?

The optimistic view of human nature held by supporters of the humanistic perspective led to more positive views of human nature throughout the field of psychology. t or f?

A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?

If the temperature were raised very high, classically what would we expect the heat capacity per object to be for this one-dimensional system? give a numerical value. chigh t = __ j/k/object (one reason for the discrepancy is that the high-temperature limit assumes that the number of oscillators is large (n > > 1), which is not the case in this tiny system.)