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A radioactive atom at rest in the lab decays, sending two smaller nuclei in opposite direction. One fragment has a mass of 8.35 *10^-26 kg amd moves at speed 0.770 c . If the other fragment has mass of 6.67*10^-26. What is its speed?
The ground level of the neutral lithium atom is doubly degenerate (that is, g = 2). The first excited level is 6-fold degenerate and is at an energy 1.2 eV above the ground level. In the outer atmosphere of the sum, which is at a temperature of ab..
A juggler throws a ball straight up with some initial velocity. Half a second later, the juggler throws another ball straight up from the same height, then what is the initial velocity of each ball
A uniform electric field of magnitude 380 N/C pointing in the positive x-direction acts on an electron, What is the work done by the field on the electron
A charge of 6.0 mC is placed at each corner of a square 0.100mon each side. Determine the magnitude and direction of the force on each charge
Consider three ants each clinging for dear life to the top surface of an ordinary compact disc and not moving with respect to the labelling. The ants are at distances 3, 4, and 5 cm away from the axis of rotation of the CD which is spinning at a cons..
Two stationary positive point charges, charge 1 of magnitude 3.50 nC and charge 2 of magnitude 1.50 nC , are separated by a distance of 31.0 cm. What is the speed (Vfinal) of the electron when it is 10.0 cm from charge 1
You have two cups, one with m1 = 0.92 kilogram of water at t1 = 29.76oC and the other with m2 = 2.88 kilogram at t2 = 45.6oC. Evaluate the final temperature of the water
Two equally charged insulating balls each weigh 0.50 g and hang from a common point by identical threads 30 cm long, What is the magnitude of the charge on each ball
The bullet remains in the block, and after the impact the block lands d = 1.90 m from the bottom of the table. How much time does it take the block to reach the ground once it flies off the edge of the table.
Find the distance(in μm) between the plates of a parallel plate capacitor if, in the dielectriccompletely filling that region, an electric field of magnitude 67.5MV/m gives a potential difference of 34.5 kV between the plates.
A 5 g bullet has a speed of 220 m/s and embeds itself into a 650 g block. What is the speed of the block after the collision
The tension in a guitar string is doubled. Does the frequency of oscillation also double? If not, by what factor does the frequency change? Specify whether the change is an increase or a decrease.
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