Find the total work done on the 20. 0 n block if μs = 0. 500 and μk = 0. 325 between the table and the 20. 0 n block.

By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases by 40%.

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b

Ahands-free device may only be used if it can be activated or deactivated with a