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A 18.4 kg cart traveling at 5.63 m/s (this movement defines thepositive direction) has a head on perfectly inelastic collision with a 6.9 kg cart traveling at 7.06 m/s. How much kineticenergy is lost in the collision?
A loudspeaker of mass 18.00 {rm kg} is suspended a distance of h = 1.20 {rm m} below the ceiling by two cables that make equal angles with the ceiling.
Two particles each have a mass of 7.00 10-3 kg. One has a charge of +5.0 10-6 C, and the other has a charge of -5.0 10-6 C. How fast is each particle moving when the separation between them is one-half its initial value
question a wheel starts from rest and rotates about its axis with constant angular acceleration. after 7.4 seconds have
A slit of width 2.0 ?m is used in a single slit experiment with light of wavelength 650 nm. If the intensity at the central maximum is Io, what is the intensity 10° from the center?
An arrow is shot vertically upward and then 1.99 s later passes the top of a tree 38.9 m high. How much longer will the arrow travel upward
A proton has a velocity of 9.0 101 m/s + 1.9 102 m/s and is located in the z = 0 plane at x = 3.1 m, y = 3.6 m at some time t = T. Find the magnetic field in the z = 0 plane at the following.
Four identical charges (+2.2 μC each) are brought frominfinity and fixed to a straight line. Each charge is 0.47 m fromthe next. Determine the electric potential energy of thisgroup.
what is the magnitude and direction of the force. explain the magnitude and direction of the force she exerts on you?
In order to drink from your glass you first need to lift it to your mouth. As you begin to lift your 0.20 kg glass of water, it is accelerating upwards at 0.090 m, What is the net force acting on the glass
question what is the pressure in atmospheres on the body of a diver if he is 34 ft below the surface of the water when
One way to measure on another planet or moon by remote sensing is to measure how long it takes an object to fall a given distance. A lander vehicle on a distant planet records the fact that it takes 3.17 for a ball to fall freely 11.26 , starting fro..
A conducting spherical shell of inner radius of a and outer radius b carries a net charge Q. find the surface charge density on the outer surface of the shell
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