15. A car is driving north at a steady speed. It makes a gradual 90° left turn without losing speed, then continues driving to the
west. Draw a motion diagram, using the particle model, show-
ing the car's velocity vectors as seen from a helicopter hovering
over the highway.

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)

The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?

On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units