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When a 0.213 kilogram mass is attached to a vertical spring, it causes the spring to stretch a distance d. If the mass is now displaced slightly from equilibrium, it is found to make 150 oscillations in 54.0 sec.
Part A. Evaluate the stretch distance, d.
A 667 kg satellite is in acircular orbit about the Earth at a height above the Earth equal tothe Earth's mean radius. Find the gravitational force acting on it
A CD-RM starts from the rest and undergoes uniform angular acceleration until it reaches 26,000 rpm in 0.25s. Though what angle does it rotate during this time
A cyclist completes a 100km race in 2:25:30. The race course proceeded 50km north, then 25km east, then 25km south. Her split times were 1:06:05 at the 50 km point and 1:49:19 at the 75km point. What is her average velocity from start to finish
A cup of hot coffee is placed inside a large, well-insulated container. Over a five minute period, the entropy of the cup decreases by 100 J/K. What can you say about the entropy of the air surrounding the cup?
The 2000 kg cable car descends a 200-m-high hill. In addition to its brakes, the cable car controls its speed by pulling an 1800 kg counterweight up the other side of the hill. find the runaway car's speed at the bottom of the hill
When a flower petal is 4.0cm in front of a converging lens, the inverted image is half the height of the petal. What is the focal length of the lens? Please describe work/variables (eg f=focal length etc.)
An 80 kilogram spacewalking astronaut pushes off a 640 kilogram satellite, Determine how far apart are the astronaut and satellite after 1.0 minute
a thin circular sheet of glass of diameter 6 meters is rubbed with a cloth on one surface and becomes charged
An amusement park roller coaster starts out on a level track 50.0 m long and then goes down a 50.0-meter incline at an angle of 30° to the vertical. It then goes up a 20.0-meter ramp with an incline of 20° to the horizontal.
A train is travelling up a 4.40 incline at a speed of 3.30 when the last car breaks free and begins to coast without friction. How long does it take for the car to come to rest? How far does the car travel.
A 101-kg horizontal platform is a uniform disk of radius 1.97 m and can rotate about the vertical axis through its center. A 67.9-kg person stands on the platform at a distance of 1.19 m from the center and a 27.3-kg dog sits on the platform near the..
An air bubble has a volume of 1.49 cm3 when it is released by a submarine 110 m below the surface of a lake. What is the volume of the bubble when it reaches the surface
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