6. a 73-kg woman stands on a scale in an elevator. the
scale reads 810 n. what is the magnitude and
direction of the elevator's acceleration?

a. 0.23 m/s2 up
b. 1.3 m/s2 up
c. 6.5 m/s2 down
d. 11 m/s2 down

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below. your friend goes first, and you follow after he has dropped a distance of 2.0m. when your friend hits the water, is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation