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In the arrangement of the figure, billiard ball 1 moving at a speed of 2.6 m/s undergoes a glancing collision with identical billiard ball 2 that is at rest. After the collision, ball 2 moves at speed 0.69 m/s, at an angle of θ2 = 30o. What are (a) the magnitude and (b) the direction (angle θ1) of the velocity of ball 1 after the collision?
A boat travels down the river from point A to point B in t1 = 3 h, and in the opposite direction in t2 = 6 h. How much time will it take for the boat to go from A to B with its engine turned off
A telescope has objective aperture of 10 inches, focal length 400 inch, with an eyepiece of aperture 0.25 inch, focal length 0.5 inch. Find the angular magnification
Will the time between clinks increase or decrease near the end of the fall? How could the bolts be tied so that the clinks occur at equal intervals?
The acceleration of a bus is given by ax(t)=αt, where α = 1.28m/s3 is a constant. If the bus's position at time t1 = 1.13s is 5.92m, what is its position at time t2 = 2.02s
A nuclearpower planthas a reactor that produces heat at the rate of870MW. At what rate is heat discarded to the environment by this power plant
What is the kinetic energy of an alpha particle that has been accelerated in an electric field by a potential difference of 650,000 Volts
A model rocket fired vertically from the ground ascends with a vertical acceleration of 4.0 m/s2 for 5.8 s, What is the maximum altitude reached
A 1.0E-6 F capacitor has a charge of 10.0 microC. It is connected to a 1.0 H inductor at t=0. Which energy is greater
Use the equation Q = (m)(c)(change in T) to calculate the heat "lost" by the hot water. Show your work using the problem-solving method shown in previous rubrics. The specific heat for water (c) is 4186 J/(kg * Co).
Suppose that a binary star system consists of two stars of equal mass. They are observed to be separated by 400 million kilometers and to take 3.0 Earth years to orbit about a point midway between them. What is the mass of each?
A particle is acted on by 2 torques about the origin: has a magnitude of 2.0Nm and is directed in the positive direction of the x axis, and has a magnitude of 4.0Nm and is directed in the negative direction of the y axis. In unit-vector notation, fin..
Murphy is using a pulley to lift a barrel. For safety, the rope is wrapped around the pulley many times. Determine the acceleration of the barrel
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