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A cyclotron is used for the acceleration of alpha particles. The radius of the cyclotron?s dee is 2 m, and the magnetic flux density in the dees is 0.8 T. What is the velocity of the alpha particles when they exit the cyclotron? The alpha particle consists of two protons and two neutrons, thus having mass of 6.64 x 10-27 kg and charge of 2x1.6X10-19C.
A 700 N window washer is standing on a uniform scaffold supported by a vertical rope at each end. The scaffold weighs 200 N and is 3 m long. what is the force in each rope when washer stands 1 m from one end.
A rock is thrown on earth with an initial horizontal velocity and it hits the ground at x meters away from the point where the stone is thrown. how much larger is the new planet's mass relative to earth
The Hall effect can be used to determine the density of mobile electrons in a conductor. Find the density of mobile electrons in the material
What is the maximum load that could be suspended from a copper wire of length 1.0 m and radius 1.0 mm without breaking the wire? Copperhas an elastic limit of 2.0 x 10^8 Pa and a tensile strength of 4.0 x 10^8 Pa.
A 45.0-kg girl is standing on a 158-kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. What is the velocity of the plank relative to the surface of ice
An object moves along the x axis according to the equation x = 2.90t^ - 2.00t + 3.00, where x is in meters and t is in seconds. Determine the average acceleration between t = 3.40 s and t = 5.40 s
A clock in a spaceship is observed to run at a speed of only 3/5 that of a similar clock at rest on Earth. How fast is the spaceship moving
What friction torque is necessary to reduce its angular speed from 90.0 {rm rpm} to 45.0 {rm rpm} in a time interval of 32.0 {rm s}.
A uniform rod rotates in a horizontal plane about a vertical axis during one end. The rod is 6.00m long, weighs 10.0 N, and rotates at 240 rad/min. Compute (1) its rotational inertia about the axis of rotation and (2) the magnitude of its angular mom..
A 15 centimeter ruler is located 30 centimeter in front of a concave mirror with a focal length of 20 c, Find where is the image located? Determine how big is it
A conductive loop of radius r = 1.0 cm falls towards a stationary solenoid of 100 turns per cm carrying a current of I = 2.00 A. What is the direction of the current induced in the loop
Point charges of 26 µC and 48 µC are placed 0.500 meter apart. Find the magnitude and direction of the electric field halfway between them
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