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(1) A bullet of mass m and speed v passes completely through apendulum bob of mass M. The bullet emerges with a speed of v{2. Thependulum bob is suspended by a stiff rod of length l and negligiblemass. What is the minimum value of v such that the pendulum bobwill barely swing through a complete vertical circle? In otherwords, enough to cause the pendulum bob to reach the top of itscircular path.
Many satellites are moving in a circle in the earth's equatorial plane, Obtain the altitude of these satellites above the earth's surface
you hang a heavy ball with a mass of 12 kg from a gold wire 2.6 m long that is 2 mm in diameter. you measure the
A girl is sitting near the open window of a train that ismoving at a velocity of 8m/s to the east. The girl's unclestands near the tracks and watches the train move away. Thelocomotive whisle emits sound at frequency 680 Hz
Find the speed of the car when brakes were applied.
A 42 kg pole vaulter running at 11 m/s vaults over the bar. Her speed while she is above the bar is 0.7 m/s. Avoid air resistance, as well as any energy absorbed by pole, and determine her altitude as she crosses the bar.
A drum major twirls a 93-cm-long, 440g baton about its center of mass at 150rpm. What is the baton's rotational kinetic energy
Find the energy, in joules, of one quantum of energy for an atomic oscillator in a block of aluminium.
An automobile tire is rated to last for 35,000 miles. To an order of magnitude, find through how many revolutions will it turn
Determine the force per unit length between two long, straight, parallel conducting wires separated by 10cm and carrying currents of 4A and 8A in the same direction
A hoop and a disk (both of mass 1.8 kg and radius of 0.2 m) roll without slipping up a straight incline with an initial velocity of 2.8 m/s. What is the maximum gain in height of the disk
What is the total negative charge, in coulombs, of all the electrons in a small 1.05g sphere of carbon? One mole of C is 12.0g, and each atom contains 6 protons and 6 electrons.
Two particles are fixed to an x axis: particle 1 of charge -7.50*10^-7 C at x=6.00 cm, and particle 2 of charge +7.50*10^-7 C at x=22.0 cm. what is their net electric field
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