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A horizontal spring-mass system oscillates on a frictionless table. If the ratio of the mass to the spring constant is 0.062 kg*m/N, and the maximum speed of the mass was measured to be 22.52 m/s, find the maximum extension of the spring.
By what factor would its kinetic energy decrease if the car traveled half as fast
The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature and approximate the human body by a rectangular block with a height of 1.58 m, Calculate the power emitted by the human body
Suppose now that the apparatus is sealed, and the temperature rises to 40.0o C. Find the pressure inside the apparatus now
The total mass of the astronaut with her space suit and all her gear is 125 kg. A small leak develops in her propulsion system and 5.99 g of gas are ejected each second into space with a speed of 781 m/s.
suppose you are outdoors in the Boundary Water Canoe Area of Northern Minnesota. You have in your hand the empty tube from a roll of paper towel. Outline the mathematical steps you would take to help you achieve an accurate estimate of the stars i..
A ball bounces to 47 percent of its original height. What is the coefficient of restitution of the ball-floor system
Like all stars, our sun converts mass into energy which radiates (spherically) in all directions, Calculate the rate at which the sun is losing mass
The reflected sound is then mixed with the transmitted sound and 90 beats per second are detected. The speed of sound in body tissue is 1480.
A transformer is to be used to provide power for a computer disk drive that needs 7.0 V (rms) instead of the 120 V (rms) from the wall outlet. Find the number of turns in the secondary
Block A is dropped from a height of 2 m. An identical block B slides frictionlessly down a ramp of height 2 m inclined at 30°. Which block is travelling fastest at the bottom of the ramp
A 4.22 box sits at rest at the bottom of a ramp that is 7.74 long and that is inclined at 40.0 above the horizontal. The coefficient of kinetic friction is 0.40, and the coefficient of static friction is 0.50.
A 1.50 ? 103-kg car starts from rest and accelerates uniformly to 15.2 m/s in 11.3 s. Find the average power developed by the engine
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