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An aircraft 300m from the ground traveling horizontally at 400m/s releases a parcel. Calculate the horizontal distance covered by the parcel from the point of release (Ignore air resistance).
Select a steel from Appendix C-4a that has properties listed for as-rolled, normalized, and annealed conditions. Estimate Su and Sy for the three conditions from the given Brinell hardness value. Compare the results to the given tensile and yield..
A 67 kilogram crate is dragged across a floor by pulling on a rope attached to the crate and inclined 15 degree above the horizontal. find what is the magnitude of the initial acceleration of the crate
the a-string on a cello vibrates in its first normal mode with a frequency of 220 hz. the vibrating segment is 65.0 cm
a point charge 4.20 uc is held fixed at the origin. a second point charge 1.60uc with mass of 2.80times10-4kg is placed
When a falling meteor is at a distance above the Earth's surface of 2.82 times the Earth's radius, what is its free-fall acceleration caused by the gravitational force exerted on it
What is the satellite's orbital speed? The answer is 280 m/s but I want to understand how to get this.
A man of mass 95kg is dancing with his wife, who has a mass of 68kg. Assume that each person's mass is concentrated at their respective centers of mass, which are separated by 48cm. What is the gravitational attraction between them?
A weather emergency siren is mounted on a tower, 165 meters above the ground. How far away from the base of the tower can a person be
determine the difference between the time he would have taken to run the final mile at a constant velocity of +16.58 m/s and the time he actually took. Although the track is oval in shape, assume it is straight for the purpose of this problem.
Determine the acceleration of bodies A and B and the tension in the (non stretching) cable due to the application of the 60 lb force. Neglect all frictional forces and the masses of the pulleys.
At the beginning of a new school term, a student moves a box of blocks by attaching a rope to the box and pulling with a force of F= 84.9N at an angle of 65 degrees, as shown in the figure. The acceleration of gravity is 9.8 m/s2.
You spray your sister with water from a garden hose. The water is supplied to the hose at a rate of 0.149 L per second, At what speed does the water exit the nozzle
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