Adog having a mass of 32.0 kg runs at a constant pace of 9.50 km/hr. what is the magnitude of the dog's momentum?

Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.

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

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.