In an inertia balance, a body supported against gravity executes simple harmonic oscillations in a horizontal plane under the action of a set of springs. If a 1.00-kg body vibrates at 1.00 Hz, a 2.00-kg body will vibrate at
A. 0.500 Hz.
B. 0.707 Hz.
C. 1.00 Hz.
D. 1.41 Hz.
E. 2.00 Hz.
Answer: B
You might also like to view...
Consider a beam of free particles with a certain speed . If we double this speed, what happens to the beam’s de Broglie wavelength?
A. It increases by a factor of 2. B. It increases by a factor of 21/2. C. It remains the same. D. It decreases by a factor of 21/2. E. It decreases by a factor of 2.
What is unusual about the planet Venus?
A) It rotates in a direction opposite to the direction of its orbit. B) It orbits the Sun faster than it should give the size of its orbit. C) It orbits the Sun in a direction opposite that of all the other planets. D) It does not orbit the Sun in the same plane as the other planets. E) It rotates extremely rapidly around its axis.
Which of the following statements about degeneracy pressure is not true?
A) Degeneracy pressure keeps any protostar less than 0.08 solar mass from becoming a true, hydrogen-fusing star. B) Degeneracy pressure can halt gravitational contraction of a star even when no fusion is occurring in the core. C) Degeneracy pressure is a consequence of the laws of quantum mechanics. D) Degeneracy pressure varies with the temperature of the star.
What is the net power that a person with surface area of 1.20 m2 radiates if his emissivity is 0.895, his skin temperature is 300 K, and he is in a room that is at a temperature of 290 K? The Stefan-Boltzmann constant is 5.67 x 10-8 W/(m2•K4)
A) 60.3 W B) 62.6 W C) 65.7 W D) 68.4 W E) 64.8 W