Questions from College Physics

Q: The length of the auditory canal in humans averages about 2.

The length of the auditory canal in humans averages about 2.5 cm. What are the lowest three standing wave frequencies for a pipe of this length open at one end? What effect might resonance have on the...

Q: Use a compass to make an accurate drawing of the wavefronts in

Use a compass to make an accurate drawing of the wavefronts in a double-slit interference experiment similar to Fig. 25.17c. Place the slits 2.0 cm apart and let the wavelength of the incident wave be...

Q: Light of wavelength 589 nm incident on a pair of slits produces

Light of wavelength 589 nm incident on a pair of slits produces an interference pattern on a distant screen in which the separation between adjacent bright fringes at the center of the pattern is 0.53...

Q: Light from a helium-neon laser (632.8 nm

Light from a helium-neon laser (632.8 nm) is incident on a pair of slits. In the interference pattern on a screen 1.5 m from the slits, the bright fringes are separated by 1.35 cm. What is the slit se...

Q: A system consists of three particles with these masses and velocities:

A system consists of three particles with these masses and velocities: mass 3.0 kg, moving north at 3.0 m/s; mass 4.0 kg, moving south at 5.0 m/s; and mass 7.0 kg, moving north at 2.0 m/s. What is the...

Q: A double slit is illuminated with monochromatic light of wavelength 600.

A double slit is illuminated with monochromatic light of wavelength 600.0 nm. The m = 0 and m = 1 bright fringes are separated by 3.0 mm on a screen 40.0 cm away from the slits. What is the separation...

Q: An engine pulls a train of 20 freight cars, each having

An engine pulls a train of 20 freight cars, each having a mass of 5.0 × 104 kg, with a constant force. The cars move from rest to a speed of 4.0 m/s in 20.0 s on a straight track. Neglecting friction,...

Q: Starting from rest, a horse pulls a 250 kg cart for

Starting from rest, a horse pulls a 250 kg cart for a distance of 1.5 km. It reaches a speed of 0.38 m/s by the time it has walked 50.0 m and then walks at constant speed. The frictional force on the...

Q: What potential difference must be applied to an x-ray tube

What potential difference must be applied to an x-ray tube to produce x-rays with a minimum wavelength of 45.0 pm?

Q: You are given a slide with two slits cut into it and

You are given a slide with two slits cut into it and asked how far apart the slits are. You shine white light on the slide and notice the first-order color spectrum that is created on a screen 3.40 m...