In problems involving a slope or inclined plane, the normal force is always perpendicular to the slope or the plane
Indicate whether the statement is true or false
TRUE
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This graph shows that the orbit of a binary pulsar is decaying just as general relativity predicts it should (notice the agreement between data and theory). What is the significance of this particular result?
A) It supports the prediction that orbiting stars will radiate energy outward in the form of gravitational waves. B) It tells us that time runs slower in this binary system than on Earth. C) It confirms that gravitational lensing can really occur. D) It shows that general relativity can explain all known natural phenomena.
Which of the following statements best describes the quantum property spin?
A) Spin is a measure of the rotation rate of a subatomic particle. B) Spin is a measure of the rate at which a particle orbits another particle. C) Spin is a property that applies only to large objects, like baseballs. D) Spin is not meant to be taken literally, but measures the inherent angular momentum of a subatomic particle. E) Spin is not a fundamental property, but rather something that can change randomly at any time.
At the chemical composition of iron and 4.26 weight percent carbon and a temperature of 1153°C, there is a(n) _________reaction.
Fill in the blank(s) with the appropriate word(s).
Light of wavelength 687 nm is incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the diffraction pattern?
A) 1.1 m B) 1.9 m C) 0.93 m D) 0.47 m E) 0.39 m