Which of the following questions could best be answered by the work of
charles kuen kao?
a. what is the best way to deliver broadband internet service to rural
areas?
b. how will climate change affect the strength of hurricanes in the
future?
c. how quickly are stars in the milky way moving away from earth?
d. how are mirrors used inside a camera?

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

What properties of a moving object are used in determining the object's energy of motion

What can you increase the strength of an electromagnet by