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An unstable atomic nucleus of mass 1.60 x 10-26kg initially at rest disintegrates into three particles. One of the particles, of mass 5.18 x 10-27kg, moves in the y direction with a speed of 6.00 x 106m/s. Another particle, of mass 8.44 x 10-27kg, moves in the x direction with a speed of 4.00 x 106m/s.
Find the Velocit of partical 3, and find the total kinetic energy increase in the process.
A pair of power transmission lines each have a 0.800 ? resistance and carry 694 A over 9.14 km. If the rms input voltage is 38.1 kV. Calculate the power loss in the lines
At the start of a race, a four-man bobsled team pushes their sled as fast as they can along a 50 m flat starting stretch. find the speed of the sled right before the team jumps on the sled
a woman throws a ball at a vertical wall d 4.0 m away. the ball is h 2 m above ground when it leaves the womans hand
a random sample of 49 selected from a population with a standard deviation of 14 yielded a mean 125. the mean and the
A softball of mass 0.200 that is moving with a speed of 7.1 collides head-on and elastically with another ball initially at rest. Afterward the incoming softball bounces backward with a speed of 3.4 .Calculate the velocity of the target ball after th..
an angular function is given as theta 17rad 8 rads t - 0.4 rads3t3. a what is the average angular velocity w from 0
If the maximum acceleration the vehicle's brakes are capable of is -5 m/s2, what is the maximum reaction time of the motorist that would allow her or him to avoid hitting the deer.
Find what force is exerted by the water on the window of an underwater vehicle at this depth if the window is circular and has a diameter of 33.1 centimeter
An element in its solid phase has mass density 2100kg/m3 and number density 4.39×1028atoms/m3. What is the element's atomic mass number
A 200g hockey puck is launched up a metal ramp that is inclined at a 30 degree angle. The coefficients of static and kinetic friction among the puck and the ramp are μs =0.40 and μk = 0.30, and the puck's initial velocity at the base is 3.8 m/s paral..
A car of mass M= 900-kg travelling at 45.0 kmh enters a banked turn covered with ice. The road is banked at an angle, and there is no friction between road and car's tires.
An extension cord is used with an electric weed trimmer that has a resistance of 18.7 ?. Determine the resistance of the extension cord
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