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An unstable particle at rest breaks up into two fragments of unequal mass.The mass of the lighter fragment is equal to 2.30 x 10-28 kg and that of the heavier fragment is 1.67 x 10-27 kg. If the lighter fragment has a speed of 0.893 cafter the breakup, what is the speed of the heavier fragment?
A isolated conducting sphere R=3.0 cm has a charge placed on itssurface. The surface charge density is uniform and has the value-7.2x10^(-6) C/m^2.(1) Find the total charge on the sphere, (2) themagnitude and direction of the electric field at r=R.(3..
A cold beverage can be kept cold even on a warm day if it is slipped into a porous ceramic container that has been soaked in water. Assume that energy lost to evaporation matches the net energy gained via the radiation exchange through the top and..
question1hold switch closed. place a magnetic field sensor between the turns of the slinky by its center. rotate the
a horizontal wire of length 0.85 m carrying a current of 1.2 a is placed in a uniform external magnetic field. when the
A flowerpot falls off a windowsill and falls past the window below. You may ignore air resistance. It takes time 0.420s to pass this window, which is of height 1.92 m. How far is the top of the window below the windowsill from which the flowerpot ..
A coin is dropped from a hot-air balloon that is 295 m above the ground and rising at 8.5 m/s upward. Find the maximum height reached for the coin in meters
A step-down transformer (turns ratio = 1:8) is used with an electric train to reduce the voltage from the wall receptacle to a value needed to operate the train, What is the current in the primary coil?
A beam of red laser light (? = 633 nm) hits a black wall andis fully absorbed. If this exerts a total force of F = 5.5 nNon the wall, how many photons per second are hitting the wall
light of wavelength 6.7x10^-7m travels first through air, and then enters a medium of higher index of refraction. what is the new speed of the light wave
You are driving along the street at the speed limit (35mph) and 50 meters before reaching a traffic light you notice it becoming yellow. What is your speed as you cross the intersection
A tennis ball rolls off the edge of a tabletop of height0.710 m above the floor and strikes the floor at a point ahorizontal distance 1.70 m from the edge of the table. You canignore air resistance.
An archer wishes to shoot an arrow at a target at eye level adistance of 58.0 m away. If the initialspeed imparted to the arrow is 70.8 m/s, what angle should the arrow make with the horizontal as it is beingshot?
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