assuming a car with a mass of 1990kg and the car is parked at the beginning of your street that is 15m long, inclined at 20° to the horizontal. If the car begins to coast down your street from rest, how fast is the car going at the end of your street, if friction is negligible (Take g = 9.8ms-2).​

Aswimmer is determined to cross a river that flows due south with a strong current. initially, the swimmer is on the west bank desiring to reach a camp directly across the river on the opposite bank. in which direction shoud the swimmer head? a. the swimmer should swim southeast. b. the swimmer should swim south. c. the swimmer shuold swim northeast. d. the swimmer should swim due north. e. the swimmer should swim due east.