In a supermarket, you place a 5 lb (22.3 N) bag of oranges on a scale. The scale starts to oscillate at 2.70 Hz. What is the force constant of the scale?
A) 654 N/m
B) 602 N/m
C) 327 N/m
D) 819 N/m
E) 409 N/m
A
Physics & Space Science
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Tycho's supernova was of Type Ia. What happened to the companion star when the white
A. It turned into a black hole. B. It went zooming away at the velocity it had from its orbit. C. It immediately exploded as well. D. It merged with the white dwarf that went supernova. E. It turned into a neutron star.
Physics & Space Science
What phase will the moon be in when it is between the Earth and the Sun
A. New moon B. Full moon C. First quarter D. Third quarter E. None of these
Physics & Space Science
Solar power is commonly used to produce
A) heat. B) electricity. C) both of these
Physics & Space Science
If a star has a parallax of 0.02 seconds of arc, then its distance is
a. 20 pc b. 50 pc c. 2 pc d. 5 pc e. 500 pc
Physics & Space Science