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A bullet of massm1 is fired horizontally with a speedv into the bob of a ballistic pendulum of massm2. Find the maximum height h attained by the bob if the bullet passes through the bob and emerges with aspeed v/3.
A 1.85m diameter wagon wheel makes one revolution in 3.45s. What is the tangential speed of a point in it's rim
A 1.0- kg mass is attached to a string wrapped around a shaft of negligible mass and having a 5.0- cm radius. How far apart are the masses of the dumbbell
A very fast-moving train car passes you, moving to the right at 0.50c. You measure its length to be 12m. How long does David measure the train car to be
A Carnot engine has an efficiency of 18.2%. It operates between constant-temperature reservoirs differing in temperature by 138 C °. determine the temperature of the cold reservoir
A crate with mass 35.5 initially at rest on a warehouse floor is acted on by a net horizontal force of 120. What acceleration is produced.
A hotel elevator ascends 160 with a maximum speed of 4.6 . Its acceleration and deceleration both have a magnitude of 1.1. How long does it take to make the complete trip from bottom to top
a computer disk drive spins at 7200 rpm when a brief 30 second power outage occurs. during this time the drive slows
A charge 2q is located at the origin. A charge -3q is located at x = d, y = 0, z = 0. Where is the electric field zero
a spring is resting vertically on a table. a small box is dropped onto the top of the spring and compresses it. suppose
A component with a 20 Ohm resistor is rated for use at power levels not exceeding 2,282 mW. How much current can safely flow through the component
An air-filled toroidal solenoid has a mean radius of 13.0 cm and a cross-sectional area of 5.80cm^2. How many turns does the winding have
One mole of ideal monatomic gas undergoes the cycle, consisting of an isothermal process AB at temperature 400 K, an isobaric process BC, Find the work done for the entire cycle
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