What would you expect to happen to the acceleration if all friction was removed from the ramp, making the net force even higher than 600 n? (remember to use terms such directly or inversely proportional, increase or decrease, friction and acceleration)

If a star is moving toward earth, it is

An electric power distributor charges residential customers $0.10 per kilowatt-hour (kwh). the company advertises that "green power" is available in 150 kwh blocks for an additional $4 per month. (green power is generated from solar, wind power, and methane sources.) if a certain customer uses an average of 391 kwh per month and commits to one monthly 150 kwh block of green power, what is her annual power bill

What would be the radius of the earth if it had its actual mass but had the density of nuclei? express your answer to two significant figures and include the appropriate units.