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A mass of 0.73 kilogram, attached to a spring with a spring constant of 43 N/m, is set into simple harmonic motion. Find the magnitude of the acceleration of the mass when at its maximum displacement of 0.39 meter from the equilibrium position?
A new record for running the stairs of the Empire State Building was set on February 3, 2003. what was his average power output during the climb
The mass of a star is 1.39 x 1031 kilogram and it performs one rotation in 36.1 days. Determine its new period (in days) if the diameter suddenly shrinks to 0.71 times its present size
Optimus Prime is flying straight up at 62m/s when he accidentally drops his mega-ray blaster and it falls85 m to the ground below.
a glass flask whose volume is 1000 cm3 at a temperature of 0.200 degrees celsius is completely filled with mercury at
An electron is trapped in a one-dimensional infinite potential well that is 310 pm wide; the electron is in its ground state. What is the likelihood that you can detect the electron in an interval of width δx = 5.0 pm cantered at x = 250 pm?
A standing wave in a pipe with both ends open has a frequency of 680 Hz. The next higher harmonic has a frequency of 1020 Hz, How long is the pipe
The coefficent of static frictionbetween the floor of a truck and a box resting on it is 0.36. Thetruck is traveling at 87.9 km/hr. What is the least distance inwhich the truck can stop and ensure that the box does notslide?
A Carnot engine operates with a cold reservoir temperature of 194 K and has an efficiency of 74.3%. What is the temperature of the hot reservoir
Gas lanterns used on camping trips have mantles (small lacy bags that give off light) made from a rayon mesh impregnated with thorium, A typical mantle contains 345 mg of thorium. What is the activity of the mantle
How much work is completed in charging the capacitor
A copper vat is 12m long at room temperature (20°C). How much longer is it when it contains boiling water at 1 atm pressure?
In 1980, over San Francisco Bay, a large yo-yo was released from a crane. Suppose the yo-yo was 135 kg, What was the tension in the cord on which it rolled
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