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The mass m = 1.02 kg is sliding on a rough horizontal surface. A force F = 8.41 N is applied at an angle of 36.4 degrees. Compute the acceleration a (in m/s2) of the mass on the surface if the coefficient of kinetic friction is 0.112. Use g = 9.8 m/s2
Two equally charged spheres are located 2 cm away from each other. what is the magnitude of the charge on each of sphere
A symmetric double convex lens with a focal length of 25.0cm is to be made from glass with an index of refraction of 1.53. What should be the radius of curvature for each surface
An Automobile engine slows down from 4500 rpm to 1200 rpm in 2.50 s. Calculate (a) its angular acceleration, assumed constant and (b) total number of revolutions the engine makes in this time.
Two converging lenses with focal lengths of f1 = 2.00 cm and f2 = 5.00 cm are situated 14.0 cm apart on a long optics bench. determine Is the final image real or virtual
A bowling ball has a mass of 6.2 kg and a radius of 18 cm. If it is rolling down a lane with a speed of 8.6 m/s, what is the angular momentum of the ball
Since the circumference of a circle of radius r is 2p r, every time the center of mass moves a distance 2p r, the object rotates a full circle (2p radians). If this happens in a time T then. Combine these equations to find out an expression for ..
An electron moving parallel to the x axis has an initial speed of 3.70x10^6 m/s at the origin. Calculate the potential difference between the origin and that point.
a curve in a road forms part of a horizontal circle. as a car goes around it at constant speed of 14m/s the horizontal total force on the driver has magnitude 147n, find the total horizontal force at the same curve
In 1974, physicist Gerard K. O'Neil proposed a cylindrical space station that would rotate about its central axis to simulate gravity along the outer surfaces
How fast would it be moving after it had fallen a distance of 0.010-m? (Assume that the gravitational force is constant over the distance of the fall, and that the star is not rotating.)
Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 5.0 s, it rotates 45 rad. What is the instantaneous angular velocity of the disk at the end of the 5.0 s
The H-alpha emission line from gas within a elliptical galaxy has a half-width of 6.5 Angstroms, representing a spread in velocity from opposite sides of the galaxy due to rotation.
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