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A uniform thin rod of length 0.50 m and mass 6.0 kg can rotate in a horizontal plane about a vertical axis through its center. The rod is a rest when a 3.0-g bullet traveling in the horizontal plane of the rod is fired into one end of the rod. As viewed from above, the direction of the bullet velocity makes an angle of 60° with the rod . If the bullet lodges in the rod and the angular velocity of the rod is 9.0 rad/s immediately after the collision, what is the magnitude of the bullet's velocity just before impact?
A 43cm diameter wheel accelerates uniformly about its center from 130rpm to 330rpm in 4.0s, Determine the radial component of the linear acceleration of a point on the edge of the wheel 1.0s after it has started accelerating
Two converging lenses are separated by 24.20 cm. The focal length of each lens is 12.40 cm. Determine the final image distance relative to the lens on the right
An electron acquires 100 fJ of kinetic energy when it is accelerated between two parallel plates located at a distance of 1 millimeter. Obtain magnitude of the electric field between the plates
Some rear view mirrors produce images of cars behind you that are smaller than they would be if the mirror were flat. What is the mirrors radius of curvature if cars 25.0 m away appear 0.33 times their normal size?
A thin stick of mass M = 4.3 kg and length L= 1.7 m is hinged at the top. A piece of clay, mass m =0.7 kg and velocity V = 4.0 m/s hits the stick a distance x = 1.00 m from the sticks and hinge to it. What is the angular velocity of the stick immedia..
Two point charges Q1 = +4.30 nC and Q2 = -2.30 nC are separated by 27.0 cm. What is the potential energy of the pair of charges
A 75-W, 110-V bulb is connected in parallel with a 40-W, 110-Vbulb. What is the net resistance
A) What are science misconceptions? What other names are used to refer to them? How are they formed? What difficulties do they present to the learning and understanding of science concepts?
the minimum stopping distance for a car traveling at a speed of 30 ms is 60 m including the distance traveled during
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.20×106 N , What is the total work done by the two tugboats on the supertanker
A skier of mass 68.4 kg glides down a hill of slope 26.5 degree at constant speed. find the coefficient of friction between her skis and the slope
The drawing shows one horizontal wire with the current going up and one vertical wire with the current going to the right. Point A is dH to the right and dV above the intersection. Point B is dH to the left and dV below the intersection.
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