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A student using a resonance tube determines the three resonances occus at distances of l1= 0.172m, l2=0.529m, l3=0.884m below the open end of the tube. The frequency of the tuning fork used is 480 Hz. what is the average speed of the sound from this data? show your work.
A piece of copper wire has a resistance per unit length of6.1510-3?/m. Find the magnetic field strength at the center of the coil
question the average distance between mars and earth is about 1.3 x 108 miles. how long would it take tv pictures
an object with the dimensions 5.64 cm x 2.97 cm x .92 cm has a mass of 11.5 g. at what depth of the bottom end will the object float
a cylindrical drum is 2 ft in diameter is 3 ft long and weighs 30 lb when empty. aluminum weights are to be placed
A stone is tied to a string (length = 0.727 m) and whirled in a circle at the same constant speed in two different ways. Determine the speed of the stone
A car started frm rest and accelerated for 5s at 6.00m/s2.Then it stayed at a constant speed for 20 s. It next slowed down at 3m/s2 until it came to a stop? how far did it travel during the first 5 s.
A thin film of oil (n = 1.26) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, What is the minimum thickness of the oil film
A 2.00-ton automobile is parked at the top of a hill that is 100ft high and inclined 25 degrees with respect to the horizon. find the automobile velocity (ft/s) at the bottom of the hill
Two circular glass microscope slides of diameter 1 cm are separated by a water film of thickness t = 10 mu m. The water completely wets the slides. What is the contact angle of water on the slides?
What is the resultant velocity of the motor boat. What distance downstream does the boat reach opposite shore.
A block of mass 0.489 kg is placed on the end of a spring which has a stiffness of 337 N/m. What is the frequency of oscillation
A shot putter releases the shot with a velocity of 29m/sec at an angle of 22 degrees counterclockwise with the right horizontal
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