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An a location where the speed of sound is 344 m/s, a 2000 Hz sound wave impinges on two slits 30 cm apart.
a) At what angle is the first maximum located?
b) If the sound wave is replaced by 3.00 cm microwaves, what slit separation gives the similar angle for the first maximum?
c) If the slit separation is 1.00 µm, what frequency light gives the same first maximum angle?
A person pulls a 5 kg sled by a rope across (nearly frictionless) ice. The rope (and therefore the force) is oriented 40 degrees above the horizontal. What is the horizontal acceleration of the sled
A cat stands on a board of wood in a frozen frictionless pond. The mass of the cat is 4.0 kg, and the mass of the board is 3.0 kg. how far does the cat move in relation to the pond
An object with mass m1 = 4.90 kg, rests on a frictionless horizontal table and is connected to a cable that passes over a pulley, Find the magnitude of the acceleration of each object
A 80 bike racer climbs a 1500 -long section of road that has a slope of 4.3 degrees. By how much does his gravitational potential energy change during this climb
Transverse waves with a speed of 50.0 m/s are to be produced on a stretched string. A 5.00-m length of string with a total mass of 0.0600 kg is used. (a) What is required tension in the string? (b) Calculate the wave speed in the sting if the tension..
A thin, uniform, rectangular sign hangs vertically above the doorof a shop. The sign is hinged to a stationary horizontal rod alongits top edge. Calculate its angular speed immediately after the impact
An iceboat is traveling in a circle on the ice. Halfway around the circle, the sail and the steering mechanism fall off the boat. Which will most likely occur as a result?
How much is the spring compressed?
A rubber ball is dropped and bounces vertically from a horizontal concrete floor. If the ball has a speed of 2.9 m/s just before striking the floor and a speed of 2.0 m/s just after bouncing
Two small containers, each with a volume of 100cm3 , contain helium gas at 0oC and 1.00atmpressure. What common pressure will exist in the two containers
By means of a rope whose mass is negligible, two blocks aresuspended over a pulley.One block wighs 11.0-kg and the other blockweighs 44.0-kg. find the mass of the pulley
A 950-kg car traveling west at 15.0 m/s collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together. Find the speed of the wreckage just after the collision
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