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An airplane is dropping bales of hay to cattle stranded in a blizzard on the Great Plains. The pilot releases the bales at 140m above the level ground when the plane is flying at 80.0m/s 45.0 degrees above the horizontal. How far in front of the cattle should the pilot release the hay so that the bales will land at the point where the cattle are stranded?
A roughly spherical volume of rock 2.1 km in radius is 30% denser than the surrounding rock, calculate the gravitational acceleration it produces at Earth's surface
What would be the radius of curvature of the cornea
Calculate the diffusion coefficient for the diffusion of carbon in gamma-iron at 1x10^3 degrees Celsius. Express your answer in the form X x 10^Y, using units of m2/s
A 0.470-kg glider, attached to the end of an ideal spring with force constant k = 500 N/m, undergoes SHM with an amplitude 0.040 m. Compute the maximum speed of the glider. Compute the speed of the glider when it is at x = -0.015 m.
Blocks with masses of 2.0 , 4.0 , and 6.0 are lined up in a row on a frictionless table. All three are pushed forward by a 57 N force applied to the 2kg block.How much force does the 4 block exert on the 6.0 block.
A uniform plank of length 5.70 m and weight 215 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 452 N walk on the overhanging part of the plank before it just be..
The steps in the accounting cycle for a merchandising company are different from the accounting cycle for a service company. Discuss whether or not you agree or disagree. Find out whether or not the measurement of net income.
A 4.0 m long horizontal boom (of negligible weight) can pivot at the wall to which it is attached and it is supported by a cable hooked 0.6 m from the far end that is at an angle of 37.2 degrees to the boom. find the normal force of the wall pushin..
Two cylindrical glass beads each of mass m = 32 mg are set on their flat ends on a horizontal insulating surface separated by a distance d = 3 cm. The coefficient of static friction between the beads and the surface is μs = 0.3. The beads are the..
A particle that has an 8.3-?C charge moves with a velocity of magnitude 4 × 105 m/s along the +x axis. Find the magnitude and direction of the magnetic field
so hydrogen atoms have a thermal velocity of about 1000 m/s. How does the energy stored in the magnetic field compare with the kinetic energy in a given volume of space.
Two in-phase loudspeakers are located at (x, y) coordinates (-2.5 m, +2.0 m) and (-2.5 m, -2.0 m), Determine the amplitude of the sound at the five positions on the y-axis (x = 0) with y = 0.0 m, 0.5 m, 1.5 m, and 2.0 m
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