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The picture tube in an old black-and-white television uses magnetic deflection coils rather than electric deflection plates. Suppose an electron beam is accelerated through a 53.0-kV potential difference and then through a region of uniform magnetic field 1.00 cm wide. The screen is located 10.1 cm from the center of the coils and is 47.0 cm wide. When the field is turned off, the electron beam hits the center of the screen. Ignoring relativistic corrections, what field magnitude is necessary to deflect the beam to the side of the screen?
A box of mass 38.5 kg is sitting on a horizontal table top with a coefficient of kinetic friction between the box and the surface of 0.49. Find the magnitude of the acceleration of the box on the table
question1a hockey pucks b rests on a smooth ice surface and is struck by a second puck a which was initially travelling
A rotating wheel has a constant angular acceleration. It has an angular velocity of 5.0 rad/s at time t = 0 s, What is the angular displacement of the wheel
a plank 2.00 cm thick and 16.7 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the
find speed at which the ball left the quarterback's hand.
A 5.20 g pop up toy is compressed 1.50 cm and pops up to the height of 50 cm the spring constant is 270 Nm. What is the loss of energy.
A black hole is roughly defined as a an object dense enough that the speed needed for launching things from its surface must be the speed of light or greater. 3.00x108m/s. Determine the maximum radius of the earth
An open plastic soda bottle with an opening diameter of 2.2cm is placed on a table. find the total magnetic flux through the plastic of the soda bottle
The blue line of the hydrogen emission spectrum has a wavelength of 433.9 nm. Calculate the energy of one photon of this light
Consider a generator with a 300 turn coil on its armature and a uniform magnetic field of 4.6 T. The diameter of the coil is8.0 cm, In order to generate 385 VRMS, how fast do we need to rotate the coil
A 400 g mass is suspended from a thread 45 cm long that can sustain a maximum tension of 8.0 N before breaking. What is the maximum allowable amplitude for pendulum motion of this system
A mortar crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action.
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