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A proton traveling at 26.0° with respect to a magnetic field of strength2.80 mT experiences a magnetic force of6.2 10-17 N.
a) Compute the proton's speed.
b) Compute its kinetic energy.
A 0.223 kg ball is thrown straight up from 1.81 m above the ground. Its initial vertical speed is 8.40 m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time.
Suppose a manufacturing plant has an average sound intensity level of 97.0 dB created by 25 identical machines. Find the total intensity created by all the machines
A house has a floor area of 115 m2 and an outside wall that has an area of 24 m2. The earth's magnetic field here has a horizontal component of 2.50 e 10-5 T that points due north and a vertical component of 4.30 e 10-5 T that points straight down..
Two electric dipoles with charges +Q, where Q = 5 mC, Find the magnitude of the electric force between the two dipoles.
You are driving along a highway at 25 m/s when you hear the siren of an emergency vehicle traveling in the opposite direction on the other side of the highway. What is the speed of the vehicle
A 3000 flask is initially open while in a room containing air at 1 and 20 . The flask is then closed and immersed in a bath of boiling water. When the air in the flask has reached thermodynamic equilibrium, flask is opened and air is allowed to esc..
A spring Oscillator is desgined with a mass of .568 kg. It opperates while immersed in a damping fluid,Find the required damping constant for the system
A 5kg piece of metal displaces 0.75L of water when submerged. What is the buoyant force on the piece of metal? Give your answer in Newtons
You are pushing a 150-kg wooden crate in a straight line a distance of 4.5 m across a wooden floor at constant speed. What is the work done by friction on the crate
A planet of radius R is made up of three segments; a core of radius R/3 and density r/3, a middle shell from radius R/3 to 2R/3 and density r/2, and an outer shell from radius 2R/3 to R and density 3 r. What is the average density of the planet as a ..
A 33.0cm focal length converging lens is 17.2cm behind a diverging lens. Parallel light strikes the diverging lens. What is the focal length of the diverging lens
A 473g wood block is given a quick push across a table. During the push it accelerates at a rate of 0.69m/s2, what was the strength of the force used to push the block to start with
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