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An object is observed in a certain frame to have a four-momentum of [Pt,Px,Py,Pz] = [7.0 kg, 5.0 kg, 2, 2].
a) Find the object's x velocity in this frame.
b) Find the object's mass.
c) Find its kinetic energy in this frame.
d) Find its relativistic momentum in this frame.
A gas fills the right portion of a horizontal cylinder whose radius is 5.57 cm. The initial pressure of the gas is 2.91 x 105 Pa. A frictionless movable piston separates the gas from the left portion of the cylinder that is evacuated and contains ..
A 40.0 cm long organ pipe is filled with air and is open at both ends. The velocity of sound in air at 0°C is 331 m/s. what is the frequency of the fundamental frequency
A jet flying at 132 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, and the mass of the jet is 1.88 105 kg
A uniformly accelerated car passes three equally spaced traffic signs. The signs are separated by a distance d = 21 m. obtain the magnitude of the acceleration of the car
Radio astronomers detect electromagnetic radiation at 46.0MHz from an interstellar gas cloud. What is the magnetic field strength inside the gas cloud
By how much does the carrier lengthen. what is the magnitude of his average velocity for the 200.
A woman pulls a loaded sled of mass m = 75 kg along a horizontal surface at constant velocity
two point charges are located on the y axis as follows: charge q1 = -1.50nC at y1 = -0.550m , and charge q2 = 4.10nC at the origin, What is the magnitude of the net force
the label on a soft drink states 15.fl oz (444g) provides 220 kcal. The drink is cooled to 15degree Celsius before it's consumed. Find net energy content of drink
A boy tosses a football upward. If the football rises a vertical distance of 4.1 m and the boy catches it at the same point he released it
You note that your prescription for new eyeglasses is -3.75 D. What will their focal length be
A balloon is filled with 5.00 liters of helium at a pressure of 1.20 atm and a temperature of 27.0 degrees C. Find the mass of the helium
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