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A thin uniform rod (mass = 1.95 kg) swings about an axis that passes through one end of the rod and is perpendicular to the plane of the swing. The rod swings with a period of 1.3 s and an angular amplitude of 10.0° .
(a) What is the length of the rod?
(b) What is the maximum kinetic energy of the rod as it swings?
Calculate the mass of the sun from the radius of the earth's orbit (1.50×1011 m), the earth's period in its orbit, and the gravitational constant G, What is the density of the sun
A ray of sunlight hits a frozen lake at a 43.9° angle of incidence. At what angle of refraction does the ray penetrate the ice
The bar is held by a cord that makes a 90? angle with respect to bar and 50 ? with respect to wall. Illustrate what is the magnitude of the horizontal force Hx on the pivot? The acceleration of gravity is 9.8 m/s2.
Compute magnitude and direction of magnetic field produced by the moving belt at a point just above its surface .
Two blocks with masses m = 16.7 kg and M = 70.1 kg are not attached. The coefficient of static friction between the blocks is 0.45 but the surface beneath M is frictionless. What is the minimum force F required to hold m against M?
Two objects have masses m and 5m respectively.They both are placed side by side on a frictionless inclined plane and allowed to slide down from rest.
Is the collision completely elastic
A 0.570 kg ball is dropped from rest at a point 1.50 m above the floor. The ball rebounds straight upward to a height of 0.800 m. Illustrate what are the magnitude and direction of the impulse of the net force applied to the ball during the collis..
W hat is the magnitude of an average force exerted on the superball by the sidewalk. what is force caused by the water on the bottom.
A tennis racket has nylon strings. If one of the strings with a diameter of 1 mm is under the tension of 15 N, how much is it lengthened from its original lenght of 40 cm.
A small block is released from rest at the top of a frictionless incline. The block travels a distance 0.263 m in the first second after it is released
In which collision is the impulse on the cart greater. The magnitude of the charge on an electron is 1.6e-19 C
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