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How many protons are in the beam traveling close to the speed of light in the Tevatron at Fermilab, which is carrying 10.71 mA of current around the 6.3-km circumference of the main Tevatron ring?
An electron that has a velocity with x component 2.4 x 106 m/s and y component 3.6 x 106 m/s moves through a uniform magnetic field with x component 0.027 T and ycomponent -0.15 T. (a) Find the magni
An electromagnetic wave is traveling through free space. At a particular instant of time the electric field at a point is 2600 V/m. The speed of light is 2.998 × 108 m/s. Find the magnetic fie
Suppose a cube of aluminum which is 1.00 cm on a side accumulates a net charge of +1.70 pC. (a) What percentage of the electrons originally in the cube was removed?
A curve in a road forms part of a horizontal circle. As a car goes around it at constant speed 14.0 m/s, the horizontal total force on the driver has magnitude 150 N. What is the total horizontal fo
The stirrer is used to stir the mixture gently until it reaches its final equilibrium temperature of 32°C. Calculate the mass of the aluminum cup.
An electron starts from rest at point A and has a speed of 5 106 m/s at poduring this motion. Determine the electric potential difference VA - VB.
A 130 kg mail bag hangs by a vertical rope 3.2 m long. A postal worker then displaces the bag to a position 2.2 m sideways from its original position, always keeping the rope taut. What horizontal f
A diesel engine uses adiabatic compression to heat the air in its cylinders to a temperature sufficiently high to cause combustion of the injected fuel. If the volume of air in a cylinder is reduced
A glass windowpane in a home is 0.62 cm thick and has dimensions of 1.2 m 2.4 m. On a certain day, the indoor temperature is 27°C and the outdoor temperature is 0°C. (a) What is the rate at
A 3.00 kg block starts from rest at the top of a 32.0° incline and slides 2.00 m down the incline in 1.35 s. Find the frictional force acting on the block.
A physics student throws a rock straight up with a velocity of 14.98 m/s from a window of a tall building. At the same time a professor drops a physics text from the roof of the building, a distance
What potential difference is required to reduce the initial kinetic energy of the proton by a factor of two?
What must be the magnitude and direction of the third force, such that the object continues to move with a constant velocity?
A Mercedes-Benz 300SL (m = 1950 kg) is parked on a road that rises 15° above the horizontal. (a) What is the magnitude of the normal force?
A curent of 2.5 A is carried by a copper wire of radius 1.39 mm. If the density of conduction electrons is 8.47^28 m^-3, what is the drift speed of the conduction electrons?
The coefficient of static friction between his hands and the book is 0.42. To keep the book from falling, what is the magnitude of the minimum pressing force that each hand must exert?
A flat copper ribbon 0.330 mm thick carries a steady current of 50.0 A and is located in a uniform 1.30-T magnetic field directed perpendicular to the plane of the ribbon. If a Hall voltage of 9.60
Assuming the origin is placed where the bullet begins to move, the force exerted on the bullet by the expanding gas is F = a + b x - c x^2, where a = 7800 N, b = 10400 N/m, c = 22200 N/m^2, with x i
The liquid-drop model of the nucleus suggests that high-energy oscillations of certain nuclei can split ("fission") a large nucleus into two unequal fragments plus a few neutrons.
What is the entropy change of the Cu metal? What is the entropy change of the liquid water? What is the total entropy change in the system?
What potential difference is required to reduce the initial speed of the proton by a factor of two?
The path is frictionless except for a distance of 0.8 m along the incline which has a coefficient of friction of 0.5.
A 0.22 m(micro)F capacitor by a 1.5-V battery. After being charged, the capacitor is connected to a small electric motor. Assuming 100% efficiency. 1) what initial voltage must the capacitor have if