Daisy weighs 120 N and carries Trixie who weighs 40 N on her back. The support force on Daisy's feet is
A) 40 N.
B) 120 N.
C) 160 N.
D) more than 160 N.
Answer: C
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In a transformer, the power input
A) is larger than the power output. B) is equal to the power output. C) is smaller than the power output. D) can be either larger or smaller than the power output.
Hubble's Law states that v = H0d, and current measurements indicate that H0 ? 22 kilometers per second per million light-years. About how far away is a galaxy with a redshift indicating that it is moving away from us at 2200 kilometers per second?
A) 100 million light-years B) 200 million light-years C) 200 light-years D) 100 light-years
Single-phase alpha titanium alloys _________be welded.
Fill in the blank(s) with the appropriate word(s).
A string on a violin is stretched between two points 20.00 cm apart with a tension of 120.0 N. The mass/length of the string is 0.002000 kg/m. The frequency of the 2nd overtone is
A. 1,502 Hz. B. 1,837 Hz. C. 2,237 Hz. D. 2,568 Hz. E. 3,250 Hz.