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A wire 1.80 m long carries a current of 13.0 A and makes an angle of 35.0 degrees with a uniform magnetic field of magnitude B = 1.50 T. Calculate the magnetic force on the wire.
a race car travels around a circuit at a constant speed of 45 m/s. it first heads East for 1min, then SOuth for 1 min, how far does the car drive
Photons of wavelength 220nm impact on a metal target and liberate electrons with kinetic energies ranging from 0 to 61X10 to the -20 power J. Determine the cutoff wavelength
A brick of mass 1.21 kg is attached to a thin (massless) cable and whirled around in a circle in a vertical plane. What is the maximum speed the brick can have at the bottom of the circle before the cable will break
Three metal fishing weights, each with a mass of 1.00x102 g and at temperature of 100oC, are placedin 1.00x102g of water at 35oC. The final temperature of the mixture is 45.0oC. What is the specific heat of the metal in the weights?
A pipe is open at both ends. The pipe has resonant frequencies of 528 Hz and 660Hz (among others). Find two possible values for the length of the pipe
A person's body is covered with 1.8 m2 of wool clothing. How much heat per second does the person lose due to conduction
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, What is the rate at which energy is transferred by heat through the glass
a velocity filter with crossed electric and magnetic fields is designed to permit the passage of singly ionized 22-ne
If the shear stress in steel exceeds about 3.92 × 108 N/m2 , the steel ruptures. Find the shearing force necessary to shear a steel bolt 0.91 cm in diameter
An 20cm--long bicycle crank arm, with a pedal at one end, is attached to a 25cm--diameter sprocket, What is the tangential acceleration of the pedal
The nucleus of a hydrogen atom is a single proton. The radius of a proton is approximately 1 fm (1 multiplied by 10âˆ'15 m). What is the approximate volume of a proton
A jet pilot takes his aircraft in a vertical loop. If the jet is moving at a speed of 360 m/s at the lowest point of the loop, determine the minimum radius of the circle
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