A sheet of paper can be withdrawn from under a bottle of milk without toppling the bottle if the paper is jerked out quickly. This is an example of ________.
a. inertia
b. action-reaction
c. potential energy
d. friction forces
Question 2
A car travels in a flat circle of radius R. At a certain instant the velocity of the car is 24 m/s west, and the acceleration of the car has components of 2.4 m/s2 east and 1.8 m/s2 south. What is the radius of the circle?
a. 0.24 km
b. 0.19 km
c. 0.32 km
d. 0.14 km
e. 0.27 km
Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into
cheat sheet for cuts of beef.
Air, bottle
A medical records department. (Paper records are becoming obsolete, replaced by electronic records.)
Example of a day sheet report.
Jim Croce - Time in a bottle - 1973