What is the acceleration of a car going 50 mph that slows down to rest over 10 seconds? A. -5.0 mph/s
B. 5.0 mph/s
C. -5.0 m/s^2
D. 5.0 m/s^2
E. Not enough data is given

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?