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A subatomic particle X spontaneously decays into two particles, A and B, each of rest energy 1.40 × 102 MeV. The particles fly off in opposite directions, each with speed 0.827c relative to an inertial reference frame S. Determine the total energy of particle A.
A long vertical wire carries an unknown current. Coaxial with the wire is a long, thin, cylindrical conducting surface that carries a current of 31.7 mA upward, what is the current (in A) in the wire
a child tosses a stick into a stream. the stick moves downstream at a rate of 1.5 ms. how fast is the stick moving
A 36.0 kg child swings in a swing supported by two chains, each 2.90 m long, find the child's speed at the lowest point
A 253 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal.
The pressure of sulfur dioxide (SO2) is 2.54 x 104 Pa. Find the translational rms speed of the sulfur dioxide molecules
A uniform-density 8 kg disk of radius 0.20 m is mounted on a nearly frictionless axle. Initially it is not spinning. A string is wrapped tightly around the disk, and you pull on the string with the constant force of 45 N through a distance of 0.7 ..
A flask is filled with 1.55 L (L = liter) of a liquid at 98.7 °C. When the liquid is cooled to 15.7 °C, its volume is only 1.32 L, however. obtain the coefficient of volume expansion of the liquid
A sinusoidal ac voltage source in a circuit produces a maximum voltage of 12.6V and an rms current of 7.50mA. Find voltage amplitude
Cartesian coordinate system is characterized by three orthogonal unit vectors (orts) i, j, and k, which are parallel to the x-, y-, z-axis, respectively. What are the coordinates of these vectors
An asteroid, who's mass is 7.8 × 10-4 times the mass of Earth, revolves in the circular orbit around the Sun at a distance that is 2.5 times the Earth's distance from the Sun.
A horizontal aluminum rod 4.5 cm in diameter projects 5.5 cm from a wall. A 910 kg object is suspended from the end of the rod. find the vertical deflection of the end of the rod
A 9.0-g piece of Styrofoam carries a net charge of -.65, What is the charge per unit area on the plastic sheet
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