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You are trying to shoot supplies from the ground so that they reach the top of a plane while flying low. The plane is flying at an altitude of y=20 meters high and with a speed of 30m/s, and you want to project your medical supplies with an initial velocity of Vo=50m/s so that it follows the path described below (need to go up and down), at which angle (measure with respect to the ground) do you need to throw the medical supplies so that they don't miss the front of the plane, and how far away (distance d) does the plane need to be when you launch the supplies? To simplify the problem, replace the plane with point A.
Suppose that the net horizontal force is as a result of rolling friction only and take the free-fall acceleration to be g = 9.80 m/s^2.
A capacitor is made from two hollow, coaxial, iron cylinders, one inside the other. The inner cylinder is negatively charged and the outer is positively charged; the magnitude of the charge on each is 10.0pCpC .
An 60 kg skier is sliding down a ski slope at a constant velocity. The slope makes an angle of 5 degrees above the horizontal direction. What is the coefficient of kinetic friction between the skis and the snow
Calculate the moment of inertia of a skater given the following information. THe 65 kg skater is approximated as a cylinder that has a .110 m radius
The isotope 15N undergoes radioactive decay to form 15C. What charged particle is emitted in the decay process? how much kinetic energy in MeV is given to the particle
Tension is maintained in a string. The observed wave speed is 25 m/s when the suspended mass is 3.0 kg. (a) What is the mass per unit length of the string?
A person walks into a room that has two flat mirrors on opposite walls. The mirrors produce multiple images of the person. Consider only the images formed in the mirror on the left.
The mean distance between earth and the sun is 1.50 x 10^11 m. The average intensity of solar radiation incident on the upper atmosphere of the earth is 1390 W/m^2. determine the total power radiated by the sun
ou place it in water and it displaces a volume of 20 cubic centimeters of water. What is the hardness of this mineral? describe your answer.
A 769-kg satellite is in circular orbit around the Earth and moving at a speed of 1.11 km/s. How much work must be done to move the satellite
solve this problem using either tabulated values from the tables or constant specific heats. Calculate the temperature of the exit stream
A skier starts from rest at the top of a hill that is inclined at 9.3° with respect to the horizontal. How far does the skier glide along the horizontal portion of the snow before coming to rest
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