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The springs of a 1200 kg car compress 5.0 mm when its 68 kg driver gets into the driver's seat. If the car goes over a bump, what will be the frequency of vibrations?
approsimate the terminal speed of a wooden sphere (density 0.890 g/cm3) falling through air, if its radius is 9.00 cm and its drag coefficient is 0.500. (The density of air is 1.20 kg/m3.)
An ideal monatomic gas initially has a temperature of T and a pressure of p. It is to expand from volume V1 to volume V2. If the expansion is isothermal, what are the final pressure pfi and the work Wi done by the gas?
The drawing shows a skateboarder moving at 7.87 m/s along a horizontal section of a track that is slanted upward by 49.2 ° above the horizontal at its end, which is 0.739 m above the ground.
A golfer drives her ball from the tee down the fairway in a high arcing shot. When the ball is at the highest point of its flight and why ?
A Carnot engine whose high-temperature reservoir is at 680K takes in 570J of heat at this temperature in each cycle and gives up 350J to the low-temperature reservoir. What is the temperature of the low-temperature reservoir
One afternoon, a couple walks five-sixthsof the way around a circular lake, the radius of which is1.70km. What are the magnitude and direction (relative to due east) ofthe couple's displacement
A coin 2.1 cm in diameter is held 25 cm from a concave spherical mirror of 28 cm radius of curvature. What is the diameter of the image
Spinal fluid pressure can be measured using a spinal tap in which a needle is inserted in the patient's lower back with the patient sitting upright on an examination table. The pressure due to the weight of the spinal fluid (given that its density..
A squirrel falls from a very tall tree. Initially at t= 0), the squirrel is at the top of the tree, a distance y 50 m above the ground. Estimate the average velocity of the squirrel
An oscillatory water wave has a period of 2.56 seconds and a wavelength of 7.12 cm. What is the angular frequence
A man is trying to get his car out of mud on the shoulder of a road. He ties one end of a rope tightly around the front bumper and the other end tightly around a utility pole a distance d away. What is the magnitude of the force on the car from the..
A candle is placed 20.51 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, Find the focal length of the convex mirror
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