Author Question: The peak of Mt. Everest, at 10,900 meters, is the highest point above sea level in the world. What ... (Read 12 times)

809779 · **on:** Jul 29, 2018

The peak of Mt. Everest, at 10,900 meters, is the highest point above sea level in the world. What is its elevation in miles?

A) 17.6 miles
B) 0.630 miles
C) 6.77 miles
D) 6.20 miles
E) 67.1 miles

Question 2

A 620-g object traveling at 2.1 m/s collides head-on with a 320-g object traveling in the opposite direction at 3.8 m/s.

If the collision is perfectly elastic, what is the change in the kinetic energy of the 620-g object?
A) It loses 0.23 J.
B) It gains 0.69 J.
C) It loses 0.47 J.
D) It loses 1.4 J.
E) It doesn't lose any kinetic energy because the collision is elastic.