An aircraft travels a distance of 50km in a straight line due north in 250 s.
Calculate the aircraft's average velocity in m/S

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

15. one purpose of the tread pattern on a tire is to a reduce tire wear. b. reduce traction c. allow water to flow away from the tire. d. look impressive.

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules