One helpful development regarding the atmospheric ozone problem was the international agreement to
A) significantly reduce ozone production by year 2000.
B) issue free sunglasses to everybody.
C) significantly reduce CFC production by year 2000.
D) reduce fossil fuel use by 50 percent by year 2000.
E) produce more ozone and inject it into the stratosphere.
C
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The speed of light divided by the wavelength of light is the wave _________.
Fill in the blank(s) with the appropriate word(s).
At what speed is the momentum of an object five times that found classically?
a. 0.894c b. 0.960c c. 0.980c d. 0.800c e. 0.999c
The intensity of solar radiation near the earth is 1.4 × 103 W/m2. What force is exerted by solar radiation impinging normally on a 5.0 m2 perfectly reflecting panel of an artificial satellite orbiting the earth?
A) 1.4 × 104 N B) 9.4 × 10-5 N C) 1.4 × 10-4 N D) 2.3 × 10-5 N E) 4.7 × 10-5 N
A 9.00 kg mass is connected to a spring with a spring constant of 4.00 N/m. The velocity is given by the expression v(t) = 10.0 cm/s sin
+ 8.00 cm/s cos
What is the maximum displacement of the simple harmonic motion?
A. 25.1 cm B. 30.5 cm C. 35.3 cm D. 40.4 cm E. 45.5 cm