A standing wave is set up in a 200-cm string fixed at both ends. The string vibrates in 8 distinct segments when driven by a 120-Hz source. What is the wavelength?
a. 6 cm
b. 13 cm
c. 25 cm
d. 50 cm
e. 100 cm
d
You might also like to view...
What would you have to change about the Earth to stop our planet from having significantly different seasons?
What will be an ideal response?
A 45-mH ideal inductor is connected in series with a 60-? resistor through an ideal 15-V DC power supply and an open switch. If the switch is closed at time t = 0 s, what is the current 7.0 ms later?
A) 250 mA B) 650 mA C) 550 mA D) 280 mA E) 850 mA
Which alcohol is used in rubbing alcohol?
a. 2-Hydroxypropane b. Ethylene glycol c. Ethanol d. Methanol
What evidence supports the idea that a collision between two spiral galaxies might lead to the creation of a single elliptical galaxy?
A) observations of some elliptical galaxies surrounded by shells of stars that probably formed from stars stripped out of smaller galaxies B) the fact that elliptical galaxies dominate the galaxy populations at the cores of dense clusters of galaxies C) observations of some elliptical galaxies with stars and gas clouds in their cores that orbit differently from the other stars in the galaxy D) observations of giant elliptical galaxies at the center of dense clusters that may have grown by consuming other galaxies E) all of the above