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Two carts are held together by a mass less spring and are travelingtogether to the right on a frictionless air track at 1.35 m/s. Cart1 has a mass of 1650 grams and cart 2 has a mass of 2.41kg. Thespring is then released and the carts separation as acollision.
A. What is the velocity of cart 1 after the separation?
B. How much energy was stored in the spring before the separation?
a particle has a de broglie wavelength of 2.7x10-10 m.then its kinetic energy doubles.what is the particles new de
Why is the human body not an equipotential surface? What is the function of a cell membrane in this respect and what electrical device does it behave like?
q1. a 48-m length of wire is stretched horizontally between two vertical posts. the wire carries a current of 64 a and
A uniform, solid, spherical asteroid with mass1.2x1013 kg and radius 1.0 km isrotating with a period of 5.2 hours. A meteoroid moving in the asteroid'sequatorial plane crashes into the equator at 8.8 km/s. It hits at a 58° angle to thevertical and..
An aluminum wire with a diameter of 0.105 mm has a uniform electric field of 0.295 V/m imposed along its entire length, What is the drift speed of the conduction electrons
A 1000 kg car is traveling at a constant speed of 30 m/s, what is the average force applied to the car
A golf ball of mass 50 g released from a height 1.5m above a concrete floor bounces back to a height of 1.0 m. What is the amount of energy lost during the impact
An 800-kHz radio signal is detected at a point 4.5 km distant from a transmitter tower. What is the magnetic field amplitude of the signal at that point
The electric field in a cathode ray tube is supposed to accelerateelectrons from 0 to 3.20*107 m/s in a distanceof 3.00 cm. What electric field is required?
A rifle with a barrel length of 56 fires an 8 bullet with a horizontal speed of 350. The bullet strikes a block of wood and penetrates to a depth of 14. (a) What resistive force (assumed to be constant) does the wood exert on the bullet? (b) How long..
In a head-on collision, a car stops in 0.30{\rm s} from a speed of 30{\rm m}/{\rm s}. What force is applied to the driver by his seat belt during that fraction of a second
an object is acted on by a drag force with a magnitude that is proportional to the speed. the object accelerates
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