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A velocity selector is used in a mass spectrometer to produce a beam of charged particles with uniform velocity.Suppose the fields in a selector are given by E?=(2.369?104V/m)x^ and B?=Byy^. The speed with which a charged particle can travel through the selector in the z-direction without being deflected is 6.303?105m/s. What is the value of By?
A 10-turn square coil of wire lies in the xy-plane. A uniform magnetic field of magnitude 2.0 T oriented in the negative z-direction, what is the magnitude of the induced emf in the coil during this time
Light from a laser strikes a diffraction grating that has 4250 grooves per centimeter. Find the wavelength of the laser
A house painter is standing on a uniform, horizontal platform that is held in equilibrium by two cables attached to supports on the roof. How large is the force exerted by the right-hand cable
A(n) 60-g ice cube at 0°C is placed in 730 g of water at 28°C. What is the final temperature of the mixture? °C
q1. two charges are placed on the x axis. one of the charges q1 6.95c is at x1 3.00 cm and the other q2 -27.3c is at
A track has a height that is a function of horizontal position x, given by h(x) = x^3 + 2x^2 ? 14x + 16. What kind of equilibrium exists at each of these positions
A wire of radius a is surrounded by a cylindrical conductor of inner radius a and outer radius 2a,. find the radius at which the magnetic field is zero
You are standing on a sheet of ice that covers the football stadiumparking lot in Buffalo. There is negligible friction between yourfeet and the ice. with what speed do you and the ball move afterwards
A cannon fires a cannon ball at 610.37 m/s in a straight line that passes directly over an observer's head. how far is the cannon from the observer
A very long, thin straight line of charge has a constant charge density of 20 pC/cm. How far does the electron go before it comes back
a person (weight W = 598 N, L1 = 0.849 m, L2 = 0.398 m) doing push-ups. Find the normal force exerted by the floor on each hand and each foot
What slit separation will produce first-order maxima.
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