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The lowest tone to resonate in an open pipe of length L is 200 Hz. Which one of the following frequencies will not resonate in the same pipe?
A certain piano string and an A440 tuning fork heard together give 3 beats per second. What are the 2 possible values for the frequency of the string vibration?
A helium-neon laser beam has a wavelength in air of 633 nm . It takes 1.38 ns for the light to travel through 30 cm of an unknown liquid. What is the wavelength of the laser beam in the liquid?
You want to photograph a circular diffraction pattern whose central maximum has a diameter of 1.2 cm. You have a helium-neon laser (landa= 633 nm) and a 0.13 mm-diameter pinhole. How far behind the
You throw a ball upward with an initial speed of 4.6 {\rm m/s}. When it returns to your hand 0.94 {\rm s} later, it has the same speed in the downward direction (assuming air resistance can be ignor
If the water in the river is flowing at 1.9 m/s, how long does it take the boat to make a round trip consisting of a 260 m displacement downstream followed by a 260 m displacement upstream?
Find graphically the magnitude and direction of the resultant force 1 + force 2. any help understanding this type problem would be appreciated.
You are so nervous after the police car passes you that you pull off the road and stop. Then you hear another siren, this time from an ambulance approaching from behind. The frequency of its siren t
With this launch angle, a skier attains a height of 11 m above the end of the ramp. What is the skier's launch speed?
Draw a vector diagram that illustrates the direction that the pilot should direct the aircraft so that its velocity is relative to the ground is due west.
The electric field in a region of space is uniform and has value 3.2 x 10^3 N/C. It points in the positive x-direction. An electron traveling at 2.6 x 10^7 m/s in the positive x-direction enters thi
How long (in ns) does it take light to travel 1.0 m in vacuum? What distance does light travel in water during the time that it travels 1.0 m in vacuum?
An airplane has a velocity relative to the air of 189 m/s in a westerly direction. If the wind has a speed relative to the ground of 53 m/s directed to the north, what is the speed of the plane rela
The electric field just above the surface of the charged drum of a photocopying machine has a magnitude E of 3.1 x 105 N/C. What is the surface charge density on the drum, assuming that the drum is
A bat emits a sound whose frequency is 82.2 kHz. The speed of sound in air at 20.0 oC is 343 m/s. However, the air temperature is 37.3 oC, so the speed of sound is not 343 m/s. Assume that air behav
Assume all temperatures to be exact, and neglect significant figures for small changes in dimension. An ideal gas in a cylinder is at 12 degrees C and 2.0atm .
You use your 8 binoculars to focus on a yellow-rumped warbler (length 14 cm ) in a tree 18 m away from you. What angle (in degrees) does the image of the warbler subtend on your retina?
What is the maximum wavelength in the solar spectrum that canresult in the emission of photoelectrons from the shuttle'sskin?
The Milky Way Galaxy is traveling at 190 km/sec. How many years will it take for it to crash into another planet that is 6 million light years away?
Blue light with a wavelength of 472 is diffracted at 16 by these bands (this is the first-order diffraction) while other wavelengths in the sunlight are diffracted at different angles. What is the s
How strong is the electric field between the plates of a 0.60 air-gap capacitor if they are 3.0 apart and each has a charge of 72
A sledge loaded with bricks has a total mass of 17.6 kg and is pulled at constant speed by a rope inclined at 20.2° above the horizontal. The sledge moves a distance of 20.8 m on a horizontal su
(a) Find the total electric potential at the origin. (b) Find the total electric potential at the point having coordinates (1.50 cm, 0).
A 4.6 g bullet leaves the muzzle of a rifle with a speed of 320 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.78 m long barrel of the rifle?