Consider the sine of any angle between 30° and 40°. If the angle were doubled, what would happen to the sine of the angle?
a. It would double.
b. It would more than double.
c. It would increase but be less than double.
d. In different cases, it could do any of the above.
c
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The Galileo spacecraft dropped a probe into Jupiter's atmosphere that survived to a depth of about 200 kilometers, or 0.3% of Jupiter's radius. Which is the deepest layer in which this probe was able to make measurements?
A) the gaseous hydrogen layer B) the liquid hydrogen layer C) the metallic hydrogen layer D) the core
A proton's rest mass is 1.67 × 10?27 kg. Calculate its kinetic energy when it is accelerated to a speed of 0.80c.
A. 1.0 × 10?10 J B. 1.5 × 10?10 J C. ?2.0 × 10?10 J D. 2.5 × 10?10 J E. 7.5 × 10?10 J
When an object floats in a liquid, the buoyant force is ____________ the weight of the object
a. equal to b. larger than c. smaller than d. not related to
The theory proposing light as a particle is supported by
1.the sparks created in Hertz' experiment with the spark gap oscillator. 2.the speed of light turning up in Maxwell's equations. 3.the interference caused by light in Young's double slit experiment. 4.the photoelectric effect Hertz discovered.