In a muon decay experiment as a verification of time dilation, the muons move in the lab with a momentum of 3190 mev/c. find the dilated lifetime in the laboratory frame. (the proper lifetime is 2.198 /is. the mass of a muon is 105.7 mev/c^2.)

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward