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If the uranium nucleus were split into 3 pieces of approximately the same size instead of two, would more energy or less be released?
Find the frequency f and period T of particle's motion. Find an expression for the velocity of the particle as a function of time. What is its maximum speed?
A freight car with a mass of 2500 kg rolls down an inclinedtrack through a vertical distance of 1.5m. at the bottom of theincline, on a level track, the car collides and couples with anidentical freight car that was at rest. What percentage of the in..
Two equal-mass stars maintain a constant distance apart of 4.8E10 m and rotate about the point midway among them. They make one revolution every 2.6 yr. What is the mass (in kg) of each star?
Suppose that you spend two full days in that cave. Approximately how many 222Rn atoms would enter into and out of your lungs during your two-day stay? Take the half-life of 222Rn to be 3.82 days. You will need to estimate your lung capacity and av..
in astronomy it is common to expose a photographic plate to a particular portion of the night sky for quite some time
Skid of 40kg and Mitch of 60kg are standing on ice opposite sides of an inifnite black pit. They are each carrying neutral massless spheres while standing 8m apart. Suppose that 3.0E15 electrons are removed from one sphere and placed on the other.
A 0.200-kg block along a horizontal track has a speed of 1.80m/s at once before colliding with a light spring of force constant 44.2 N/m located at the end of the track.
An iron vat is 13 meter long at room temperature (20 degree Celsius). Determine how much longer is it when it contains boiling water at 1 atm pressure
What is the tangential acceleration of a bug on a rim of a 9 in diameter disk if the disk moves from rest to an angular speed of 76 rev/min in 5s? __________m/s squared What is the centripetal acceleration?
A lead bullet initially at 12.4oC just melts uponstriking a target. calculate the speed of the bullet upon impact
A cylinder is filled with 0.10 mol of an ideal gas at standard temperature and pressure, and a 1.4-kg piston seals the gas in the cylinder with a frictionless seal. find the frequency of vibration of the piston
On an old-fashioned rotating piano stool, a woman sits holding a pair of dumbbells at a distance of 0.555 m from the axis of rotation of the stool. What is the angular velocity of the system after the dumbbells are pulled in toward the axis
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