A string with a length of 1.20 m has a mass of 4.00 gm. The velocity of wave propagation along the string is 185 m/s. The tension of the stretched string is
A. 162 N.
B. 145 N.
C. 130 N.
D. 114 N.
E. 102 N.
D. 114 N.
You might also like to view...
Light consisting of a mixture of red and blue light enters a 40°, 70°, 70° prism along a line parallel to the side opposite the 40° vertex
The index of refraction of the prism material for blue light is 1.530, and for red light it is 1.525. What is the angle between the two emerging beams of light? A) 0.5° B) 0.9° C) 0.1° D) 0.3° E) 0.7°
If objects A and B have the same mass, but object B has 9X the kinetic energy of object A, what is true of their speeds?
A. vB = 9vA B. vB = 3vA C. 9vB = vA D. 3vB = vA
A particle is moving with a constant acceleration of 4.0 m/s2. Its speed at t = 1.0 s is 4.0 m/s and at t = 3.0 s it is 12.0 m/s. What is the area under the position-time graph for the interval from t = 1.0 s to t = 3.0 s?
A. 8.0 m/s B. 8.0 m C. 12 m D. 16 m E. 16 m/s2
The kinetic energy of fission fragments in a nuclear reactor
A) superheats water and produces steam. B) converts to gamma-ray radiation. C) becomes radioactive pollution. D) converts directly to electricity. E) none of the above