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0.80 m and the mass of the particle (the "bob") at the end of the cable is 0.24 kg. The pendulum is pulled away from its equilibrium position by an angle of 8.8° and released from rest. Assume that friction can be neglected and that the resulting oscillatory motion is simple harmonic motion. (a) What is the angular frequency of the motion? (b) Using the position of the bob at its lowest point as the reference level, determine the total mechanical energy of the pendulum as it swings back and forth. (c) What is the bob's speed as it passes through the lowest point of the swing?
A negative charge -0.550 µC exerts an upward 0.700 N force on an unknown charge 0.280 m directly below it. What is the unknown charge (magnitude and sign)? What are the magnitude and direction of the force that the unknown charge exerts on the -0.550..
An object is 17 mm in front of a converging lens, and the image is 3 mm behind the lens. What is the focal length of the lens? Reply In mm
a particular organ pipe can resonate at 240 hz, 400 hz, and 560 hz, What is the fundamental frequency of the pipe
A rifle with the barrel length of 62cm fires a 12g bullet with a horizontal speed of 380m/s. The bullet strikes a block of wood and penetrates to a depth of 14cm. What resistive force (assumed to be constant) does the wood exert on the bullet? How lo..
For an electromagnetic wave propagating in sodium, Determine the penetration depth for 10^6, 10^15, and 2*10^15 Hz
an car mass 1000kg is traveling east30m/s . it is hit by another car 2000kg whick was travelingnorthwest at 20m/s.the two cars stick together. what is the velocity of the cars after they stick together
Two firecrackers explode at the same place in a laboratory and are separated by a time of 3 years as measured on the laboratory clock. What is the spatial distance between these two events in a rocket frame in which the events are separated in time..
An object has a total energy of 5.60 × 1015 J and a kinetic energy of 1.40 × 1015 J. find the magnitude of the object's relativistic momentum
A light, flexible cable is wrapped around a solid cylinder with mass 3.5 kg and radius 0.8 meters.
A muon (an elementary particle) enters a region with a speed of 4.90 106 m/s and then is slowed at the rate of1.20 1014 m/s2
A circular loop of conducting wire is placed in a magnetic field of 0.45T while the free ends of the wire are attached to a 30ohm resistor. What are the magnitude and direction of the current in the resistor
A 107A A current circulates around a 2.20-mm-diameter superconducting ring. What is the ring's magnetic dipole moment
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