Which of the following quantities relating to motion is not a vector?
A. Acceleration
B. Velocity
C. Speed
D. All of these choices are correct
Answer: C
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Write the Laplace equation for two-dimensional conduction heat transfer through a homogeneous, isotropic material that has constant thermal conductivity.
What will be an ideal response?
A 2,000 kg car traveling at 30.0 mi/h skids to a stop in 60.0 meters. The force of friction during the skid is (1.0 mi/h = 0.447 m/s)
A. 4,500 N. B. 4,200 N. C. 3,750 N. D. 3,000 N. E. 2,400 N.
As shown in the video, Earth has two tidal bulges at all times. Approximately where are these bulges located?
You could swallow a capsule of germanium, Ge (atomic number 32), without significant ill effects. If a proton were added to each germanium nucleus, however, you would not want to swallow the capsule because the germanium would
A) become arsenic. B) become radioactive. C) expand and likely lodge in your throat. D) have a change in flavor.