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The Atwood machine in the figure consists of masses m1 = 1.20 kg and m2 = 1.10 kg and a solid pulley with a diameter of 5.9 cm and a mass mp = 0.606- kg. When released from rest, what is the speed of the heavier mass after it has fallen a distance of 1.65 m? Treat the pulley as a uniform disk.
During a particular car crash, it takes just 0.18 sec for the car to come to a complete stop from 50 km/hour. At what rate is the car accelerating during the crash
Three resistors havin resistances of R1= 1.66?, R2= 2.44?, and R3= 4.94? respectively, are connected in parallel to a 28.2V battery that has negligible internal resistance. Find the power dissipated in each resistor
A 1050kg car carrying four 78kg people travels over a rough "washboard" dirt road with corrugations 4m apart which causes car to bounce on its spring suspension.
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +7q, What is the ratio of the final charge on sphere C to q, What is the ratio of the final total charge on the three spheres to q
A round loop of diameter 12 cm, carrying a current of 0.40 A, is placed inside a magnetic field B = 0.20 i T + 0.40 j T. What is the potential energy of the loop
A cat runs along a straight line (the x-axis) from point A to point B to point C. The distance between points A and C is 5.00 m, distance between points B and C is 10.0 m, and the positive direction of x axis points to the right. The time to run f..
A coil with a radius of 2cm is wrapped with 400 turns of wire uniformly along its 20cm length. what EMF will be produced in the coil
A violin string 30.00 cm long and fixed at both ends oscillates in its n = 1 mode. The speed of waves on the string is 280 m/s, What is the wavelength of the emitted sound wave
A circular armature coil is used in a motor with a uniform magnetic field of 4.10 T. The coil has a diameter 60 cm, a resistance of 50 ?, how much current is flowing throught the motor
A thin, flexible metal plate attached at one end to the platform, can be used to measure mass. When the free end of the plate is pulled down and released, it vibrates in simple harmonic motion with a period that depends on the mass attached to the pl..
A 7.00-kg object undergoes an acceleration given by a with arrow = (3.00 i hat + 7.00 j hat) m/s2.
A battery has an internal resistance of 0.60 ?. A number of identical light bulbs, each with a resistance of 9.6 ?, How many bulbs are connected
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