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Question: Consider the decay 55Cr → 55Mn + e-, where e is an electron. The nuclei 55Cr and 55Mn have masses of 54.9279u and 54.9244u, respectively. Calculate the mass difference of the reaction. What is the maximum kinetic energy of the emitted electron?
At t=1.0s, a 0.63kg object is falling with a speed of 6.0 m/s. At t=2.0s, it has a kinetic energy of 25 J. How much work was done on the object
A glass plate (n=1.62) is coated with a thin, transparent film (n=1.27). Light reflected at normal incidence is observed as the wavelength is varied continuously. Find the thickness of the film
A block of wood with volume V floats in water with 0.68V submerged. determine the density of the oil and wood
A circular hole of radius 8.468x 10-1 cm must be cut into the front panel of a display unit. What is the difference between the actual area and the desired area of the hole
Find velocity in the y direction (vertical). Find horizontal and veryical components when the particle reaches b at the bottom.
Estimate the pressure exerted on a floor by (a) one pointed chair leg (60 kg on all four legs) of area=0.020 cm^2, and (b) a 1500-kg elephant standing on one foot (area=800 cm^2).
A point charge of 8.40 mC is surrounded by an equipotential surface with a radius of 0.298 m. What is the electric potential on the surface
question an aircraft has a lift-off of 120kmh. a what minimum constant acceleration does the aircraft require if it is
A uniform circular disk has radius 35 cm and mass 350 g and its center is at the origin. Then a circular hole of radius 8.75 cm is cut out of it. Find the moment of inertia of the modified disk about the Z-axis
A jetliner has a mass of 1.1 x 105 kg and flies at a speed of 120 m/s. what would be the magnitude of the jetliner's momentum
Express the net radiated power numerically, to the nearest 10 W
A block of mass m = 364 g is dragged with a string across a rough horizontal table. The string tension is T = 2.79 N, What is the power supplied by the force of friction
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