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An object is moving in uniform circular motion, with a period of 3.3-s and a radius 1.7-m. Calculate the magnitude of the centripetal acceleration of this object.
The line makes an angle of 75° with respect to the field. Determine the magnitude of the magnetic force on a 100 m length of line.
A diver of mass 60kg, on entering the water with an initial velocity of 14.87ms-1, experienced a force of resistance due to the opposing motion of magnitude of 180v Newtons, Calculate the maximum depth, in metres the diver will submerge
A 5kg steel ball strikes a wall with a speed of 8m/s at an angle of 60.0° with the surface. It bounces off with the similar speed and angle. If the ball is in contact with the wall for 0.200 s, what is the average force exerted by the wall on the ..
A slide projector has a converging lens whose focal length is 105.00 millimeter. find what are the dimensions of its image
A rope connects a 25 kg mass sitting on a 30 degree incline with a hanging mass of 90 kg, the rope passes over a 12kg disk-shaped pulley that has a radius of 0.250m. When the system is released, the heavier mass descends, the rope turns over the p..
A 20kg loudspeaker is suspended 2.0m below the ceiling twocables that are each 30 degrees from vertical. What is the tension in the cables.
From the shore of a frozen lake, a QB throws a 2 kg football at a velocity of 20 m/s. How far does the person slide before they come to a stop
A transformer with 300 loops in primary coil is connected to a 120-V source. How many turns are required, in the secondary coil, to provide an output of 240V?
A machine part rotates at an angular speed of 0.46 rad/s; its speed is then increased to2.1 rad/s at an angular accelerationof 0.54 rad/s2. Find the angle through which the part rotates
A convex mirror, like the passenger-side rearview mirror on a car, has a focal length of -2.8m. An object is 5.6m from the mirror. determine the location of its image
A vertical solid steel post 24.0cm in diameter and 2.50m long is required to support a load of 8100 kg. You may ignore the weight of the post. What is the strain in the post when the load is applied
A hollow sphere of radius 0.50 m, withrotational inertia I = 0.038 kgm2 about a line through its center of mass, rollswithout slipping up a surface inclined at 40° to the horizontal. At a certain initialposition, the sphere's total kinetic energy ..
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