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In the figure the two speakers are producing identical sound waves. The solid lines represent constructive interference regions and the dashed lines represent destructive interference regions. The point labeled 4 is 421.75 m from the bottom speaker and 662.75 m from the top speaker.
What is the wavelength of the sound waves?
Ball 1, with a mass of 140 g and traveling at 12.0 m/s, collides head on with ball 2, which has a mass of 300 g and is initially at rest. What are the final velocities of each ball if the collision is perfectly elastic
A move theater projector produces a 3.0 m wide image of a 2.5 cm wide picture on a screen that is 18 m distant. The focal length of the projection lens must be about?
A wave on a string is described by the relation y =A sin(36t - 0.042x), where t is measured in seconds and x in meters, with A = 0.16 m. Estimate what is the speed of the wave
On a weekend archeological dig, you discover an old club-ax thatconsists of a symmetrical 9.2 kg stone attached to the end of auniform 2.6 kgstick. You measure the dimensions of the club-ax as shown in the figure:
a bowling ball rolls across a horizontal roof with a speed of 8.57m/s If the roof is 12.5m/s above ground how far from the base of building will the ball land
Two capacitors (C1 = 6.00 µF and C2 = 13.0 µF) are now connected in series and to a 9.00-V battery. Find the equivalent capacitance of the combination
an ice cube tray is filled with 75.0 g of water. after the filled tray reaches an equilibrium temperature of 20.0
A yo-yo with a mass of 5 kg is attached to a rope and is swung at constant speed around a vertical circle. what is the length of the rope in meters
A 10.0-kg mass is placed on a 25.0o degree incline and friction keeps it from sliding. What is the frictional force while the mass is sliding
A 2.0kg wood block is launched up a wooden ramp that is inclined at a 33 angle. The block's initial speed is 14. What speed does it have when it slides back down to its starting point
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, What is the separation of the two slits
A watertight car is submerged under water. What force is requiredto open a door of area 0.81 m2 if the average depth of water at the door is 1.95 m?
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