What fractional increase in the tension of one wire
Two identical piano wires have a fundamental frequency of 550 Hz when kept under the same tension. What fractional increase in the tension of one wire will lead to the occurrence of 2 beats/s when both wires oscillate simultaneously?
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A sample of a particular radioisotope is placed near a Geiger counter, Eight hours later the detector counts at a rate of 10 counts per minute. What is the half-life of the material?
A 3.0 kg toy car can move along an x axis; Figure gives Fx of the force acting on the car, which begins at rest at time t=0. The scale on the Fx axis is set by Fxs = 4.0 N. In unit-vector notation, what is p at (a)t = 5.0 s and (b)t = 1.0 s,(c) wh
What is the force between two balloons with a negative charge of 1.6 if the ballons are 5.0cm apart?
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The electric field inside a 55cm-long copper wire is 1.1×10^-2 V/m. What is the potential difference between the ends of the wire?
A baseball player hits a ball towards the outfield with an initial velocity of 76.0 m/s at an angle of 45.0 relative to the ground. The outfield is 118 m away and is 4.0 m tall. a) Does the ball clear the fence for a homerun? (find the height when
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What are the bodies first and second line of defence? How was there a break in John's first and second line of defense?
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