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A proton is bent into a circular path of radius 4 meter by a magnetic field of 0.3 T. The momentum of the proton is 360 MeV/c. Determine what is its kinetic energy?
in MeV
A friend of yours is loudly singing a single note at 410 Hz when racing toward you at 26.1 m/s on a day when the speed of sound is 339 m/s. What frequency does your friend hear if you suddenly start singing at 410 Hz.
A skateboarder, with an initial speed of 5.0 m/s, rolls virtually friction free down a straight incline of length 19 m in 3.3 s. What is the angle of the incline
A 8.0x10^-2-kg ice cube at 0.0 C is dropped into a Styrofoam cup holding 0.35 kg of water at 11 C. Find the final temperature of the system. Find the amount of ice (if any) remaining. Find the initial temperature of the water that would be enough to ..
a typical hard drive in a computer spins at 5400rpm. what is the period in seconds
We have a container of a hot ideal monatomic gas. The volume of the container is 25 liters. determine the change of internal energy of the gas
The current-density magnitude in a certain circular wire is J = (2.75 × 10^10 A/m^4) r^2, where r is the radial distance out to the wire's radius of 3.00 mm. The potential applied to the wire (end to end) is 60.0 V. How much energy is converted to th..
The range of human hearing extends from approximately 20 Hz to 20,000 Hz. Find the wavelengths of these extremes at a temperature of 8°C. 20 Hz
An AC generator supplies an rms voltage of 110 V at 60.0 Hz. It is connected in series with a 0.750 H inductor, a 5.50 ?F capacitor, What is the rms current through the resistor
To push a 62.0-kg crate up a frictionless incline angled at 27.0° to the horizontal, a worker exerts a force of 408 N parallel to the incline. What work is done on the crate by the weight of the crate
How much work has he done? (b) Another player, wearing clothes that offer better protection against heat loss, is able to remain in the game long enough to do 2.1 × 105 J of work. What is the magnitude of the heat that he has lost?
Two balls with mass m1 and m2 are a distance R apart. The gravitational force between them is F. find the gravitational force between these balls
A cylindrical air tank has dimensions diameter = 0.2m and height 0.8m, Calculate the mass of air in the tank (kg) (have to use ideal gas law, molecular weight of air)
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