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A bowling ball of mass m and radius R is released so that at the instant it touches the floor it is moving horizontally with a speed v0 and is not rotating. It slides a distance s1 in time t1 before it begins to roll without slipping. If μk is the coefficient of kinetic friction between the ball and the floor, find s1, t1 and the final speed of the ball, v1. What is the ratio of the final kinetic energy to the initial kinetic energy of the ball?
A town needs about 20 Megawatts of power and the transmission station is 10 kilometer away. Determine the power lost in the electrical lines if the voltage supplied to the town is 50,000 Volt
What was the initial negative charge on one of the spheres, and what was the initial positive charge on the other?(Hint: Use charge conservation and solve for one of the initial charges. You will end up with a quadratic equation. The solutions giv..
A 10 g bullet shot from a gun is travelling with a speed of vo = 100 m/s when it hits and embeds itself in an mA = 500 g wooden block that initially sits at rest on a horizontal, What is the maximum length
You might have seen basketball showoffs spinning a ball on the tip of a finger. If such a player performs 1.93 J of work to set the ball spinning from rest, at what angular speed will the ball rotate
An oscillator with a mass of 500 g and a period of 0.50s has an amplitude that decreases by 1.0% each complete oscillation. If the initial amplitude is 20 cm, what will be the amplitude after 21 oscillations?
question a meter stick is pivoted at a point a distance a from its center and swings as a physical pendulum. of the
Two tugboats pulls a disabled supertanker. Each tug exerts a constant force of 1.80x106 N, What is the total work they do on the supertanker
question how many moles of gas are there in a gas-filled balloon which has a volume of 67.0 l at a pressure of 742 mmhg
The drive train of a bicycle includes wheels 67.3 cm indiameter and pedal cranks 17.5 cm long. The cyclist pedals at asteady angular rate of 76.0 rev/min. Calculate the angular speed of the bicycle wheels
In a certain series RLC circuit, Irms = 9.00 A, ?Vrms = 155 V, and the current leads the voltage by 31.0°. What is the total resistance of the circuit
An unstable high-energy particle enters a detector and leaves a track 1.09 mm long before it decays. Its speed relative to the detector was 0.992c. What is its proper lifetime? That is, how long would the particle have lasted before decay had it been..
A 4.40g coin is placed 12.0cm from the center of a turntable. The coin has static and kinetic coefficients of friction with the turntable surface of µs = 0.900 and µk = 0.430. What is the maximum angular velocity
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