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An alpha particle (He2+) with a velocity of 2.6E+6 meter per second crosses a uniform magnetic field at an angle of 37o to the field lines and experiences a magnetic force of 1.4E-3 Newton. Evaluate the strength of the magnetic field.
You place an ice cube in a microwave oven. If it requires 32,220 J to melt the ice cube and the oven delivers 97 W of power to the ice cube
3.09 moles of neon, a monatomic gas, starts out at conditions of standard temperature and pressure. The gas is heated at constant volume until its pressure is tripled, then further heated at constant pressure until its volume is doubled. Assume that ..
question a 4.10 kg mass resting on a frictionless air-table is attached to a spring with an elastic constant of 53.00
A pitcher pitches a baseball of mass 0.20 kilogram. Find the magnitude of the change in momentum of the baseball
A heat pump has a coefficient of performance of 3.85 and operates with a power consumption of 6.91 103 W. How much energy does it deliver into a home during 2 h of continuous operation? How much energy does it extract from the outside air?
A 150- crate, starting from rest, is pulled across a floor with a constant horizontal force of 360 . For the first 11 the floor is frictionless, and for the next 11 the coefficient of friction is 0.31. Illustrate what is the final speed of the c..
An inductor in the form of a solenoid contains 410 turns and is 12.8 cm in length. A uniform rate of decrease of current through the inductor of 0.421 A/s induces an emf of 175 µV. What is the radius of the solenoid? In mm
The centers of a 12 kg lead ball and a 100 g lead ball are separated by 10 cm. What gravitational force does each exert on the other
A 0.635 [m] long guitar string is vibrating at its second harmonic frequency of 490 [Hz]. What is the wavelength of transverse waves on the string
An iron brick measuring 200 mm / 20 cm / 0.05 m is submerged in pure water. (Hint: Use Table 4.4 from your book to find the densities) a) What is the weight of the brick? b) What is the buoyant force on the brick? c) What is the net force on the bric..
Boxes are transported from one location to another in the ware-house by means of a conveyor belt that moves with a constant speed of 0.50m/s. At a certain location the conveyor belt moves for 2.00 m up an incline that makes an angle of 10° with the h..
An alpha particle (q = +2e, m = 4.00 u)travels in a circular path of radius 4.88 cm in a uniform magneticfield with B = 1.00 T. Calculate (a) itsspeed, (b) its period of revolution
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