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An 8-kg collar C can slide without friction on a horizontal rod between two identical springs A and B to which it is not attached. Each spring has a constant of 600 N/m. The collar is pushed to the left against spring A, compressing that spring 20 mm, and released in the position shown. It then slides along the rod to the right and hits spring B. After compressing that spring 20 mm, the collar slides to the left and hits spring A, which it compresses 20 mm. The cycle is then repeated. Determine
(a) the period of the motion of the collar,
(b) the position of the collar 1.5 s after it was pushed against spring A and released. (Note: This is a periodic motion, but not a simple harmonic motion.)
The two upper front teeth of a person exert a total force of 30N on a piece of steak. If the biting edge of each tooth measures 10 mm x 1 mm, find out the pressure on the steak.
A submarine dives to a depth of 293 feet in the ocean. What is the force (in pounds) acting on a hatch that has an area of 3 square feet?
A skier starts from rest at the top of a frictionless incline of height 20.0 m, How far does the skier travel on the horizontal surface before coming to rest
a flat sheet of paper of area 0.200 m2 is oriented so that the normal to the sheet is at an angle of 80deg to a uniform
The moon is slowly getting further from the earth by about 2 inches every year. At present, it takes the moon 27.321 days to orbit the earth. What is velocity in present day
Derive the infinite square well energy quantization law, directly from the DeBroglie relation p=h/l, by fitting an integral number of half DeBroglie wavelengths l/2 into the width a of the well.
A placekicker must kick a football form a point 36.0 (about 40 yards) from the goal. By how much does the ball clear or fall short of clearing the crossbar
A 0.020 kilogram ball is shot from the plunger of a pinball machine. Because of a centripetal force of 0.027 N, the ball follows a circular arc whose radius is 0.23 m. Compute what is the speed of the ball
A 1/2 m radius disk is rotating at 3000 rpm. An accelertion is applied and the disk comes to a stop after 10 s. What is the magitude of the acceleration in rad/s^2? How many total revolutions does the disk make from the moment the acceleration is ..
A hollow sphere of inner radius 7.4 cm and outer radius 8.4 cm floats half-submerged in a liquid of density 800 kg/m3. Calculate the density of the material of which the sphere is made
A ball is thrown downward from the roof of a 24 m tall building with an initial speed of 5 m/s. Use energy principles to find the speed with which the ball hits the ground. Find the time it took for the ball to reach the ground.
Read the most recent Survey Quick Facts. Based on this information, design a principal-components demographic analysis for determining the purchase price of a new house. Would you be able to conduct the analysis entirely from data and other inform..
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