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A proton moves through a magnetic field at 25.5% of the speed of light. At a location where the field has a magnitude of 0.00651 T and the proton\'s velocity makes an angle of 159° with the field, what is the magnitude of the magnetic force acting on the proton?
Suppose you throw a 0.048-kg ball with a speed of 10.7 m/s and at an angle of 32.1° above the horizontal from a building 11.5 m high. What will be its kinetic energy when it hits the ground
An elevator can lift a 125 N aircraft a distance of 22 meters in 12 s. What is the power output of the elevator
A single 215Rn nucleus, initially at rest, emits an alpha particle as it decays into a 211Po nucleus, What is the total amount of nuclear potential energy, in joules, that was released in this process
An ideal refrigerator utilizes a Carnot cycle operating between 0 degree C and 26 degree C. How much energy must be supplied to the refrigerator
A 14.5 gram, 78.6 centimeter long steel guitar string is vibrating in its fourth harmonic. What is the tension on the steel guitar 'string'
A car of mass 1290 kg rests on a hydraulic lift with a piston of radius 0.22 m that is connected to a second piston of radius 0.027 m. what is the force at the second piston
Neptune has a mass 17.20 times larger than that of Earth and a radius 3.88 times larger. A person weighing 140 lb on the Earth would weigh how much on Neptune.
As you walk across a synthetic-fiber rug on a cold, dry winter day, you pick up an excess charge of -56?C, What is the charge on the rug as a result of your walking across it
0.60mol of argon gas is admitted to an evacuated 70cm3 container at 10 ?C. The gas then undergoes an isochoric heating to a temperature of 500 ?C. compute the final pressure of the gas
A pulley system is used to lift a piano 3.4 m. The acceleration of gravity is 9.81 m/s2 . If a force of 2315 N is applied to the rope as the rope is pulled in 17 m, what is the efficiency of the machine
It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.220 s, elucidate what is the average force exerted on the ball by the wall?
Under an outdoor area "yellow" (Na lamp) light, a fiber is placed between but at the edger of two 3 cm glass slides. how thick is the fiber
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