Acar is traveling south at a speed of 69 miles per hour and then begins traveling west but continues traveling at the same speed. which of the following has changed?
a. velocity
b. gravity
c. mass
d. speed

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

Current vs. forcewhat type of relationship does this graph show?

(10 pts! ) the major factor which causes seasonal weather changes on the earth is: a. elliptical orbit b. variation in distance from sun c. tilt of the axis d. atmosphere