By what factor should the length of a simple pendulum be changed if the period of vibration were to be increased by a factor of three?
a. 1/32
b. 1/3
c. 3
d. 32
e. 1
d
You might also like to view...
Which of the following observations of an extrasolar planet system would be inconsistent with what we expect from the nebular theory of solar system formation?
A) a system which has two terrestrial planets close in and two jovian planets farther out B) a system in which some planets have small moons orbiting in a direction opposite to the planet's rotation C) a system in which some planets rotate in a direction opposite to their orbits D) a system in which all the planets orbit in completely different planes
The planet Uranus held a special place in the mythology of the ancient Romans
Indicate whether the statement is true or false
Some antiparticles are identical to the particles they correspond to
a. True b. False Indicate whether the statement is true or false
A photocathode having a work function of 2.4 eV is illuminated with monochromatic light whose photon energy is 3.4 eV. What is maximum kinetic energy of the photoelectrons produced?
(c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J) A) 1.6 × 10-19 J B) 3.8 × 10-19 J C) 4.4 × 10-19 J D) 4.9 × 10-19 J E) 5.4 × 10-19 J