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An unstable atomic nucleus of mass 1.92 10-26 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.00 10-27 kg, moves along the y axis with a speed of 6.00 106 m/s. Another particle, of mass 8.48 10-27 kg, moves along the x axis with a speed of 4.00 106 m/s.
(a) Find the velocity of the third particle.
( i+ j) m/s
(b) Find the total kinetic energy increase in the process.
An electric motor rotating a workshop grinding wheel at a rate of 9.80x10^1 rev/min is switched off. how long does it take for the grinding wheel to stop
A parachutist of 60 kg descends at a constant speed of 4.4 m/s. What is the rate of increase of entropy of the parachute
In a typical Hollywood movie stunt, a person jumps off a building and lands on a cushion to safely stop. How much voltage should the battery have to stop the object as it reaches the ground
Suppose the rotational kinetic energy of a solid disc is 1000 J when the disk has an angular velocity of 3 rad/s. What is the disk's moment of inertia
A bottle has a mass of 28.60g when empty and 92.15gwhen filled with water. What is the specific gravity of this other fluid
Two consecutive frequencies are 500 Hz and 540 Hz. ( Stringed instrument; closed-closed) Calculate the fundamental frequency
When a rifle is fired, the person firing the rifle absorbs the recoil. Consider an Olympic biathlete firing a competition rifle. What is the magnitude of the force felt by the athlete
A 4.00-g bullet is moving horizontally with a velocity of +355 m/s, where + sign indicates that it is moving to the right. The bullet is approching two blocks resting on a horzizonta frictionless surface.
A pendulum, consisting of a ball of mass m on a light string of length 1.00 m, is swung back to a 45° angle and released from rest. What is the block's speed after the collision
How long does the total trip last
A rifle with a barrel length of 65 cm fires a 9 g bullet with a horizontal speed of 380 m/s. find resistive force does the wood exert on the bullet
A 5.0 multiplied by 102-newton girl takes 10. seconds to run up two flights of stairs to the landing, a total of 5.0 meters vertically above her starting point. What power does the girl develop during her run.
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