About how far away from Earth would the Sun be located on this scale?
A) 3.75 meters (about 12 feet)
B) 37.5 meters (about the height of a 12-story building)
C) 375 meters (about the length of four football fields)
D) 37.5 kilometers (the size of a large city)
C) 375 meters (about the length of four football fields)
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The bulk modulus of water is
and the density is
The velocity of sound in water is
A. 1,450 m/s. B. 2,150 m/s. C. 2,490 m/s. D. 2,750 m/s. E. 3,100 m/s.
Particles (mass of each = 0.40 kg) are placed at the 60-cm and 100-cm marks of a meter stick of negligible mass. This rigid body is free to rotate about a frictionless pivot at the 0-cm end. The body is released from rest in the horizontal position. What is the magnitude of the initial linear acceleration of the end of the body opposite the pivot?
a. 15 m/s2 b. 9.8 m/s2 c. 5.8 m/s2 d. 12 m/s2 e. 4.7 m/s2
A nonprismatic cantilever beam of one material is subjected to load P at its free end. Moment of inertia I2 5 2I1. The ratio r of the deflection ?B to the deflection ?1 at the free end of a prismatic cantilever with moment of inertia I1 carrying the same load is approximately:
(A) 0.25
(B) 0.40
(C) 0.56
(D) 0.78
A wire, 1.0 m long, with a mass of 90 g, is under tension. A transverse wave is propagated on the wire, for which the frequency is 890 Hz, the wavelength is 0.10 m, and the amplitude is 6.5 mm. The tension in the line, in SI units, is closest to:
A) 710 B) 820 C) 930 D) 1,000 E) 1,100