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A pipe open only at one end has a fundamental frequency of 256 Hz. A second pipe, initially identical to the first pipe, is shortened by cutting off a portion of the open end. Now, when both pipes vibrate at their fundamental frequencies, a beat frequency of 12 hz is heard. How many centimeters were cut off the end of the second pipe? The speed of sound is 343 m/s.
A 3.8 kg box is sliding down a surface that is inclined downwards by 30° below the horizontal. How much energy of the box has been lost (dissipated) by the friction
A small town stores its drinking water in a tower. What should be the tower's height if the gauge pressure of the water in the town below is to be 5atm
question1the position of a particle moving along an x axis is given by x 12t2 - 2t3 where x is in meters and t is in
What is the total charge. Find the electric field at the ends of the following radial distances from the long axis of the cylinder at r=7.1cm and r=11cm
A fish in a flat-sided aquarium sees a can of fish food on the counter. What is the actual distance between the can and the aquarium
Steven and Danny are standing apart from each other throwing a ball. Steven throws the ball to Danny and Danny throws it back immediately. How far are they apart from each other
A plastic ball in a liquid is acted upon by its weight and by a buoyant force. The weight of the ball is 4.8N. The buoyant force has a magnitude of 6.5N and acts vertically upward. External force acting on the ball maintains it in the state of res..
A 10-m long plank with a mass of 15-kg is supported at each. A 70 kg person stands on the plank between the supports. how far is the person standing from the left support
A cannonball (20kg) is shot from a cannon(200kg) with a velocity of 20m/s. what is the backwards velocity of the cannon
A point moves along the x-axis with its position, x, at time t given by x(t) = t3 - 3t2 + 2t - 1. Which of the following is the acceleration when t = 2?
A 64-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 834 N. What is the acceleration of elevator.
A tank holds 182 moles of argon gas (atomic mass = 6.633521 × 10-26 kg) at a pressure of 101300 Pa and a temperature of 308 K. How much kinetic energy is contained in this gas
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