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A proton moves through a uniform magnetic field given by B= (10i ? 18.0j + 30k ) mT. At time t1, the proton has a velocity given by = v xi + vyj + (2000 m/s)k and the magnetic force on the proton is FB = (3.77 e-17 N)i + (2.10 e17 N)j . (a) At that instant, what is vx? (b) What is vy?
what did faraday and henry discover happened when a magnet was moved in a coil of wire? a a magnetic current will be
A concave shaving mirror has a radius of curvature of +39.9 cm. It is positioned so that the (upright) image of a man's face is 1.54 times the size of the face. How far is the mirror from the face
A person in Inertial system S sees two objects moving parallel to one another on a straight path. Find the speed of one object with respect to the other
A transverse sinusoidal wave on a string has a period T = 25.0 ms and travels in the negative x direction with a speed of 30.0 m/s. At t = 0, What is the initial phase angle
A rock climber throws a small first aid kit to another climber who is higher up the mountain. FIND the vertical height difference between the two climbers
What is the size of the static friction force on the cabinet when the bed is tilted at 20o? At what angle will the file cabinet begin to slide if the coefficient of static friction of steel on steel is Ms= 0.80 and the coefficient of kinetic frict..
A 4 kg ball is raised a vertical distance of 2 meters. Using the conservation of energy principle calculate the final speed of the ball right before it hits the ground
A microscope has an objective lens with a focal length of 16.22 mm and an eyepiece with a focal length of 9.72 mm. what is the actual diameter of the red blood cell
A parallel plate capacitor is made of two 5cm x 5cm square plates that are separated by .012mm. The plates are charged to plus and minus 9.8nC each. What is the energy stored in the capacitor
A 3.00kg mass is pushed against a horizontal spring of force constant 23.0N/cm on a frictionless air table. What is the greatest acceleration of the mass
A 10cm diameter circular wire loop carries a current of 2.4A, Find the torque on the loop in a 1.2T magnetic field directed perpendicular to the loop
Light known to be polarized in the horizontal direction is incident on a polarizing sheet. What angles does the transmission axis of the sheet make with the horizontal
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