A mass m is attached to a vertical spring with a force constant k, it oscillates with a period T. If the spring is cut to one third of its original length and the same mass is attached to it, the new period of oscillation will be
A) less than T.
B) greater than T.
C) equal to T.
D) It could be greater or less than T, depending on how you cut the spring.
A
You might also like to view...
A plucked guitar string produces a sound wave of frequency 0.44 kHz on a day when the speed of sound is 340 m/s
(a) What is the wavelength of the sound wave? (b) How much time elapses between the impacts of two adjacent compressions of the sound wave on your eardrum?
Neglecting gravity, doubling the exhaust velocity from a single stage rocket initially at rest changes the final kinetic energy of the burnout stage by what factor? Assume all other variables, such as the mass of the rocket and the mass of the fuel, do not change
a. It is the same. b. It doubles. c. It quadruples. d. It increases by a factor of 1.693.
A 100 ohm and a 150 ohm resistor are connected in parallel to a 120 V source. What is the current through the 150 ohm resistor?
a. 0.5 b. 0.8 c. 1.2 d. 1.8 e. 2.0 amps
Which of the following correctly describes the situation when Jackie returns to Earth? (Ages in this problem refer to biological ages—that is, how much time has passed for each sister since she was born.)
A) It's the year 2050, and both twin sisters are 70 years old. B) It's the year 2050. Gwen (who stayed home) is 70 years old, but Jackie is only a little older than her age of 20 when she left. C) It's the year 2050. Gwen is 70 years old. Jackie is 19. D) It's the year 2100. Gwen and Jackie are both 120 years old. E) According to Gwen, Jackie returns to Earth in the year 2050, but according to Jackie, she returns in the year 2001.