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A television screen is illuminated using a beam of electrons traveling at 7.50×106 m/s in a 1.75×10?2 T magnetic field. If an electron is moving in the positive x direction and the magnetic field is oriented 55.0° from the z axis in the first quadrant of the xz plane, what are the
(a) magnitude and
(b) direction of the acceleration of the electron?
The drive propeller of a ship starts from rest and accelerates at 3.10 x 10-3 rad/s2 for 2.60 x 103 s. Find the total angular displacement of the propeller
Lonnie pitches a baseball of mass .20 kg. The ball arrives at home plate with a speed of 40 m/s and is batted straight back to Lonnie with a return speed of 60-m/s. If the bat is in contact with the ball for .050 s, what is the impulse experienced..
If a camera with a 60 mm lens is to resolve two objects that are 3.0 mm from each other and both objects are 4.0 m from the camera lens, what is the minimum diameter of the camera lens
he wavelength of an electromagnetic wave inside water (nwater = 1.33) is ? = 660 nm. find the wavelength of the same electromagnetic wave
Squeaky the balloon has been living large (diameter = 25 m) high above Santa ana college, where T= -20 Degree C, What is the air pressure at this point
A 1.9-kg mass attached to a spring is displaced 7.6 cm from the equilibrium position. What is the energy of the motion when the mass passes through the equilibrium position
A force vector has a magnitude of 595 newtons and points at an angle 39o of below the positive x axis. What is (a) x scalar component and (b) y scalar component of the vector.
A bullet is fired through a board 10.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board. The initial speed of the bullet is 400 m/s and it emerges from the other side of the board with a speed of 30..
A rocket moves upward from rest with an acceleration of 29.4 m/s2 for 4 seconds. It then runs out of fuel and continues to move upward. Neglecting any air resistance, how high will it rise?
A bicycle tire pump has a piston with area 0.44 in. If a person exerts a force of 30lbs on the piston while inflating a tire, what pressure does this produce on the air in the pump.
A 19.0cm × 19.0cm square loop of wire lies in the xy-plane with its bottom edge on the x-axis. What is the size of the induced current in the loop at t = 0.550s
A 2{rm kg} box rests on a plank that is inclined at an angle of 65 ^circ above the horizontal. The upper end of the box is attached to a spring with a force constant of 390 N/m.
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