PLEASE HELP Marc is asked to raise a flag at the Remembrance Day ceremonies at his
school. If the effort force to raise the flag is 50N and the load force-the
flag plus the rope-is 50N what is the mechanical advantage of the pulley
on the flagpole?*

However, had it been a real sound, the sound's pitch would have been increased by the doppler effect, since the falcon was moving the source of the sound. perpendicular to away from towards at the same speed as

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates

Which of these metals are magnetic?