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Question: A cannon with a muzzle speed of 992 m/s is used to start an avalanche on a mountain slope. The target is 2100 m from the cannon horizontally and 810 m above the cannon.
Part A: At what angle, above the horizontal, should the cannon be fired?
I want help to find at what angle, above the horizontal, should the cannon be fired and ignore air resistance.
A car of mass 1500kg turns an incined corner (radius 50m, angle 30degrees), How fast can the corner be taken without losing traction
Kinetic energy is a microscopic concept. The equivalent cacroscopic concept is: The second law of thermodynamics has a number of equivalent definitions, all of which give an indication of which way nature flows.
a quantity of 1.3 mol of argon gas is confined to a 2.1 l container at a pressure of 1019 kpa. what is vrms for the
A 160 W street lamp is operated for 12 hours a day. How much energy does it take to operate the lamp
Do you agree with IBM's employment response to competition from software development contractors in India, like Wipro, that are expanding into IT consulting services? Why or why not.
A satellite is found to be in an orbit about Planet X such that the period of the orbit matches the rotational period of the planet about its axis, namely 25.2 days. find at what distance from the center of the planet is the satellite orbiting
A blackbody will emit less energy at higher frequencies.
A flywheel has zero thickness at the center and is h thick at the edge, and has a radius R, and has a total mass M. Calculate the energy stored if it rotates in time
Ice (initially at 0oC) is added to 0.75L of tea at 10oC to make the coldest possible iced tea. how much liquid is in the pitcher when this condition occurs
an openclosed organ pipe resonates at its fundamental frequency fc. a second pipe with both ends open resonates at its
A person with bifocal vision has a prescription of -1.75D/+1.50D, which represents the refractive power of the lenses to correct myopia and presbyopia, respectively. What is the focal length of each lens
In a photoelectric effect experiment, no current flows unless thewavelength is less than 570nm. What is the work function of themetal?
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