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A proton moves by a speed of 3.90*106 m/s horizontally, at a right angle to a magnetic field. What magnetic field strength is required to now balance the weight of the proton and keep it moving horizontally?
A block of weight wt1 = 409 N sits on a frictionless table of mass 118 kg. The block is connected via frictionless pulley to a hanging block with weight wt2 = 172 N. FIND the tension in the rope connecting the two masses
The auditory canal, leading to the eardrum, is a closed pipe 2.8 cm long. Find out the approximate value (ignoring end correction) of the lowest resonance frequency.
A horizontal force of magnitude F = 149 N is used to push a box of mass m = 5 kg from rest a distance d = 13 m up a frictionless incline with a slope q = 22°. How fast is the box moving after this displacement
Find out the force each hand exerts on the shaft when the shaft is rotating in the horizontal plane about its center at 5×10-2 {rm rev/s}.
A playground merry-go-round has a radius of 4.20 and a moment of inertia of 255, What is the work done by the child
1. calculate the speed of a proton after it accelerates from rest through a potential difference of 290 v . express
q1. in a car lift the output plunger has a radius of 9cm. the weight of the plunger and the car is 21600n. what is the
question1a small plastic sphere of mass m 137 g is attached to a string.there is an electric field of 174 nc directed
As the captain of the scientific team sent to Planet Physics, one of your tasks is to measure g. You have a long, thin wire labeled 1.41g/m and a 1.30kg weight. You have your accurate space cadet chronometer but, unfortunately, you seem to have fo..
A mass of 200 grams stretches a spring 5 cm. The mass is the set in motion from its equilibrium position with an initial downward velocity of 20 cm/sec. assuming that there is no damping, decide the position of the mass at any time t, and decide the ..
assume a long, straight wire carries a current of 6.5 .what would be the frequency of vibrations.
The artery in the figure has an inside diameter of 2.75 mm and passes through region where the magnetic field is 0.65 T. what is the speed of the blood
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