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An unstable atomic nucleus of mass 1.60 x 10-26 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.18 x 10-27 kg, moves in the y direction with a speed of 6.00 106m/s. Another particle, of mass 8.44 x 10-27 kg, 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.
90 kW of power is delivered to the other side of a city by apair of power lines with the voltage difference of 13942.8 V. What is the voltage change along each line
A horizontal spring with spring constant 140 is compressed 20 and used to launch a 2.6 box across a friction less, horizontal ground. Find How far the box slides across the rough ground before stopping
A net force of 1.6 x 10-15 Newton acts on an electron over a displacement of 5.0 centimeter, in the same direction as the net force. Find the change in kinetic energy of the electron
a satellite has a mass of 5845 kg and is in a circular orbit 4.40x105 m above the surface of a planet. the period of
The energy flow per unit time per unit area (S) of an electromagnetic wave has an average value of 601 mW/m^2
An observer moving toward Earth with a speed of 0.96 notices that it takes 5.2 for a person to fill her car with gas. Assume, in its place, that the observer had been moving away from Earth with a speed of 0.80.
If the welding arm moves 3.00 centimeter west, 4.00 centimeter north, and then 6.00 centimeter east, compute the resultant displacement and the total distance traveled by the welding arm
Two point charges 3.0cm apart have an electric potential energy -130?J, find the lesser and greater charge
On a frictionless, horizontal air table, puck A (with mass 0.250 kg) is moving toward puck B (with mass 0.370 kg), which is initially at rest. What was the speed of puck A before the collision
To practice Problem-Solving Strategy 21.1 Coulomb's Law. Three charged particles are placed at each of three corners of an equilateral triangle whose sides are of length 3.7cm. Two of the particles have a negative charge: q1 = -7.7nC and q2 = -15.4nC..
A note played on a piano is 4719 Hz. If the speed of sound is 347 m/s, what is the wavelength of the note?
A pile driver drives a pile into the ground. This means that a mass of 1000kg is lifted through 5m and released to fall freely on the pile. Determine the impulse produced by the pile-engine.
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