An objects motion is deprioned below as performing a simple harmonie motion. Use this diagram to Answer questione 19 and 20
XA
X-0
F
D
19. The velocity of the object at position D will be
1. Maximum
Il. Minimum
III. Zero
A. I only
B. Il only
C. III only
D. II and III only

Which of the following statements are true of solids? a.the particles do not vibrate. b.the particles are in a fixed location. c.they have strong intermolecular forces between the atoms or molecules. d.the particles have less kinetic energy than those of liquids or gases.

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?