A mass is bouncing on the end of a spring with a period T when measured by a ground observer. What would the period of oscillation be (as measured by the same observer) if the mass and spring were moving past the ground observer at a speed of 0.600c?
a. 0.440 T b. 1.25 T
c. 0.600 T d. 1.67 T
b
Physics & Space Science
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The name of the average distance from Earth to the sun is one ____________________
Fill in the blank(s) with correct word
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If a photon's frequency increases, its wavelength
A. will increase. B. will decrease. C. will not change.
Physics & Space Science
A car travels north at 30 m/s for one half hour. It then travels south at 40 m/s for 15 minutes. The total distance the car has traveled and its displacement are:
a. 18 km; 18 km S. b. 36 km; 36 km S. c. 36 km; 36 km N. d. 90 km; 18 km N. e. 90 km; 36 km N.
Physics & Space Science
If one lawn mower causes an 80 dB sound level at a nearby point, what sound level at that point would four lawnmowers together cause?
Physics & Space Science