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Q. At a grinding wheel has an angular velocity of 27.0 . It has a constant angular acceleration of 26.0 until a circuit breaker trips at time = 1.60 . From then on, it turns through an angle 433 as it coasts to a stop at constant angular acceleration.
Q. A small sphere with a mass of 3.00×10-3 g and carrying a charge of 5.20×10-8 C hangs from a thread near a very large, charged insulating sheet. The charge density on the sheet is -2.30×10-9 C/m2. Find the angle of the thread.
Assume that ABC Firm has an optimal capital structure; comprised of debt, preferred stock and common equity. In this scenario, Firm currently has 48 percent debt, 4 percent preferred stock and 57 percent common equity in its capital structure.
A space traveler weighs 565 N on earth. What will the traveler weigh on another planet whose radius is 3 times that of earth and whose mass is twice that of earth.
A rifle with a barrel length of 58 fires an 11 bullet with a horizontal speed of 370. The bullet strikes a block of wood and penetrates to a depth of 15.
A 23 bullet traveling 240 penetrates a 4 block of wood and emerges going 170. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges.
A particular organ pipe can resonate at 231 Hz, 385 Hz, and 539 Hz, but not at any other frequencies in between. Is it an open or a closed pipe? What is the fundamental frequency of this pipe.
A 100 block on a frictionless table is firmly attached to one end of a spring with = 27 . The other end of the spring is anchored to the wall. A 22 ball is thrown horizontally toward block with a speed of 5.5.
A cube of ice is taken from the freezer at -8.7^circ C and placed in a 114 g aluminium calorimeter filled with 329 g of water at room temperature of 20.0 ^circ {rm C}. The final situation is observed to be all water at 15.0^circ C.
Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.
A bus makes a trip according to the position time graph shown in the drawing. Find the average velocity (magnitude & direction) of the bus during each of the segments labelled A, B, & C?
Pete slides a crate up a ramp with constant speed at an angle of 27 degrees by exerting a 133 N force parallel to the ramp. How much work has been completed against gravity when the crate is raised a vertical distance of 1.6 m? The coefficient of fri..
A stone is dropped at t = 0. A second stone, with 2 times the mass of the first, is dropped from same point at t = 190 ms. (a) How far below the release point is the center of mass of two stones at t = 390 ms? (Neither stone has yet reached the gr..
What is inductance of the solenoid
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