Uniform Circular Motion: Pulling out of a dive, the pilot of an airplane guides his plane into a vertical circle with a radius of 600 m. At the bottom of the dive, the speed of the airplane is 150 m/s. What is the apparent weight of the 70-kg pilot at that point?
A. 3300 N
B. 690 N
C. 2600 N
D. 490 N
E. 1400 N
Answer: A
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Find the specific heat (in cal/mole K) of a gas kept at constant volume when it takes 1.0 × 10^4 J of heat to raise the temperature of 5.0 moles of the gas 200 K above the initial temperature
a. 7.5 b. 5.0 c. 2.4 d. 10 e. 20
If a camera lens aperture is set to f/4, then
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