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A string is hooked to a vertical pole and rotates in a horizontal circle. The string has density ?, length L and rotates with angular velocity ?. Show how a sinusoidal pulse moves down the string by drawing several pictures of the pulse at different times as it moves down the string.
a circus clown weighing 170 lbs. is fired from a cannon at 50 degrees above the horizontal. The clown lands in a circular net that has a radius of 15 ft. What was the initial velocity of the clown
A science student is riding on a flatcar of a train traveling along a straight, horizontal track at a constant speed of 12 m/s. How high does he see the ball rise
Consider the interaction between an electron and a proton separated by some distance r. Compare the electrostatic force to the force of Universal Gravitation. Calculate the ratio of Fg to Fe.
The minimum distance required to stop a car moving at 36.0 mi/h is 48 ft. What is the minimum stopping distance for the same car moving at 70.0 mi/h, assuming same rate of acceleration.
A sinusoidal wave on a string is described by the wave function y = 0.10 sin (0.85x ? 35t) where x and y are in meters and t is in seconds. Determine the power transmitted by the wave
A 20,000 ohm resistor and a capacitor are connected in series and then a 15v potential differnce is suddenly applied across them. what is the capacitive value of the capacitor
At 12 volt battery is connected in parallel with a 100,200,and 500 resistors. How much current flows through each resistors
Two point charges, q1 = 2.0 pC and q2 = -2.0 pC, are separated by 5.6 µm. What is the dipole moment of this pair of charges
An RLC series circuit has a resistance of R = 334 %u03A9, an inductance L = 0.270 mH, what is the maximum source voltage amplitude when the circuit is operated at the resonant frequency
While hauling a log in the back of a flatbed truck, you are pulled over by the state police, The log has a mass of m = 844 kg; the truck has a mass of M = 9750 kg. According to the truck manufacturer, Calculate the minimum coefficient of static frict..
A box weighing 52 Newton slide across the floor, the floor exerts a friction force of 17 Newton on the box. Find coefficient of kinetic friction between floor and box
A 300 ball on a 70--long string is swung in a vertical circle about a point 200 above the floor. What was the tension in the string an instant before it broke
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