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a proton with a momentum of 200 GeV/c collides with a proton at rest. Calculate the total energy in the center-of-mass system
A skateboarder, starting from rest, rolls down a 12.5 m ramp. When she arrives at the bottom of the ramp her speed is 6.10 m/s. Determine the magnitude of her acceleration
A weight (with a mass of 90 kg) is suspended from the point near the right-hand end of a uniform boom with a mass of 71kg. To support the uniform boom a cable runs from this same point to a wall (the left-hand vertical coordinate) and by a pivot on t..
Calculate the efficiency of a fossil-fuel power plant that consumes 380 metric tons of coal each hour to produce useful work at the rate of 800 MW
A proton having an initial velocity of 17.2i hat bold Mm/s enters a uniform magnetic field of magnitude 0.360 T with a direction perpendicular to the proton's velocity. Determine the time interval for which the proton is in the field
The nucleus of the hydrogen atom has a radius of about 1.1x10^-15 The electron is at a distance of about 5.29 Ã- 10-11 m from the nucleus. compute the volume of the atom
Which is safer as a road material
A current of 3.50 A is carried by a copper wire of radius 0.87 mm. what is the drift speed of the conduction electrons
a 15kg block is accelerated at 2.4m/s^2 up a frictionless plane inclined at 5 degrees to the horizontal, wth the speed increasing from 10m/s to 35m/s. what is the change in the blocks mechanical energy
A 1590 kg car has just passed a diner. The closest the car came to the diner was R = 12.5 m, find the current magnitude of the angular momentum of the car about ther dinner
A singly ionized 24Mg ion (mass 3.983 10-26 kg) is accelerated through a 2.8 kV potential difference and deflected in a magnetic field of 500 G in a mass spectrometer. Find the radius of curvature of the orbit for the ion
the four particles form a square of edge length a = 4.50 cm and have charges q1 = +25.0 nC, q2 = -50.0 nC, What net electric field do the particles produce at the square's center
The wing of an airplane has an average cross-sectional area of 13 m2 and experiences a lift force of 84,000 N. What is the average difference in the air pressure
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