A star with an apparent magnitude of 10 appears fainter than a star with an apparent magnitude of 9
Indicate whether the statement is true or false
TRUE
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General Questions: A golf club hits a golf ball with a force of 2400 N, sending the ball into the air. The force exerted on the club by the ball must be less than 2400 N or else the ball would not have moved forward.
A. True B. False C. The answer depends on whether the golfer followed through with the swing.
1.0 kg is at (-2.0, 2.0); 2.0 kg is at (2.0, -4.0); and 3.0 kg is at (2.0, 0.0)
(a) What is the x coordinate of the center of mass? (b) What is the y coordinate of the center of mass?
There is no evidence for plate tectonics on the Moon today
Indicate whether the statement is true or false
According to Einstein, increasing the brightness of a beam of light without changing its color will increase:
a. the frequency of the photons. c. the speed of the photons. b. the energy of each photon. d. the number of photons.