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A particle known as a pion lives for a short time before breaking apart into other particles. Suppose it is moving at a speed of 0.978c, and an observer who is stationary in a laboratory measures the particle's lifetime to be 4.00 10-8 s.
(a) What is the lifetime according to a hypothetical person who is riding along with the pion?
(b) According to this hypothetical person, how far does the laboratory move before the pion breaks apart?
A magnetic field of 3 Tesla is oriented into the page. A 10 cm long conducting bar is pulled to the right at a constant speed of 3.4 m/s. What is the power supplied by the person pulling the bar
A string 3 meters long has a mass of 2 grams. one end of the string is attached to a wall, what is the speed of a transverse wave in this string
Puffy cumulus clouds, which are made of water droplets, occur at lower altitudes in the atmosphere. Find the altitude y (measured from sea level) above which wispy cirrus clouds can occur.
A 40-kg firl and an 8.4-kg sled are on the surface of a frozen lake, 15 m apart. By means of a rope the girl exerts a 5.2-N force on the sled, How far from the girl's intial position do they meet
What is braking distance for the first train
A lens produces a magnification of -1.8 when an object is placed 2.5 cm from the lens. compute the focal length of the lens?
A 0.300-m-long cylindrical capacitor consists of a solid conducting core with a radius of 1.00mm, Calculate the total charge of the capacitor
a base for a building column measures 18.0 in. by 18.0 in. on a side and 12 in. high. compute the cross-sectional area in both square inches and square millimeters. compute the volume in cubic inches, cubic feet, cubic millimemters, and cubic mete..
A 4.1-kg bucket of water is raised from a well by a rope. find the force exerted by the rope on the bucket
A ball is thrown horizontally from a 16 -high building with a speed of 9.0. How far from the base of the building does the ball hit the ground
A hanging wire made of an alloy of aluminum with diameter 0.12 cm is initially 2.8 m long. When a 40 kg mass is hung from it, the wire stretches an amount 1.57 cm. A mole of aluminum has a mass of 27 grams, and its density is 2.7 g/cm3.
A Charge of Q=700nC is uniformly distributed throughout a circular disk of radius R =10 cm, What are the magnitued and direction of the electric and magnetic field at the center of the rotating charge
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