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At an open-air concert a person sits at a location that is 7m and 9.10m, respectively, from speakers at each side of the stage. A musician plays a single 494 Hz tone, explain what the listener hears.Assume the speed of sound is to be 346ms-1.
What is the approximate mass of an object whose weight equals the force in part (b).
A daring 51kg swimmer dives off a cliff with a running horizontal leap, What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom
Two masses are connected by a string which goes over an ideal pulley. Block A has a mass of 4.75kg and can slide along the smooth plane inclined by 37.0 degrees above the horizontal. The masses remain stationary. a) draw a free body diagram b) what m..
a metal wire 1.3mm in diameter and 2.1m long hangs vertically with a 6.1-kg object suspended from it. if the wire
Three resistors, of 8.0 %u03A9, 12 %u03A9, and 24 %u03A9, are in parallel, and a current of 20 A is drawn by the combination. Determine the potential difference across the combination
A 2.10-kg ball, moving to the right at a velocity of +4.60 m/s on a frictionless table, collides head-on with a stationary 6.30-kg ball. Find the final velocities of (a) the 2.10-kg ball and of (b) the 6.30-kg ball if the collision is elastic. (c)..
Robert tell is said to have shot an apple off his sons head with an arrow. If the arrow was shot with an initial speed of 35m/s and the boy was 24m away, at what launch angle did robert aim the arrow
A high-voltage transmission line carries 0.500A for a distance of 200 miles. What is the energy loss due to resistive loss in 24 hours
if you have available several 3.0-uf capacitors each capable of withstanding 200v without breakdown how would you
A rotating wheel has a constant angular acceleration. It has an angular velocity of 5.0 rad/s at time t = 0 s, What is the angular displacement of the wheel
The near point of an eye is 109 cm. A corrective lens is to be utilized to allow this eye to clearly focus on objects 26.0 cm in front of it. What must be the focal length of the lens? What is the power of the required corrective lens?
A weight lifter struggles but manages to keep a heavy barbell above his head. Infrequently he slips and the barbell starts to fall downward, however he always recovers. Contrast the force exerted by the weight lifter on the barbell to that exerted by..
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