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Question: In a live fire exercise, an Army artillery team fires an artillery shell from a howitzer. The barrel of the howitzer makes a 50.0° angle above horizontal, and the speed of the shell upon exiting the barrel is 360 m/s. The shell hits a target on the side of a mountain 34.5 s after firing. Assuming the point where the shell exits the barrel to be the origin, and assuming as usual that the x-axis is horizontal and the y-axis is vertical,
Question 1: Find the x and y coordinates of the target.
I need help to determine the x and y coordinates of the target.
displacement vector points due east and has a magnitude of 1.36 km. displacement vector points due north and has a
The efficiency of a Carnot engine is 34.9 percent. Find what is the temperature of the hot reservoir if the temperature of the cold reservoir is 232 K
The uncertainty in the position of an electron along an x axis is given as 56 pm, which is about equal to the radius of a hydrogen atom. What is the least uncertainty in any simultaneous measurement of the momentum component px of this electron?
suppose that an ion source in a mass spectrometer produces doubly ionized gold ions au2 each with a mass of 3.27 times
Volcanoes on the Earth eject rocks at speeds of up to 160 m/s. Consider a 1260 m high volcano that ejects rocks in all directions. What is the maximum height above sea level reached through rocks.
A mass m=0.5kg is hung from a pulley with moment of inertiaI=0.20 kgm2 and radius R=10cm. what is the torque due to friction
Compute the De Broglie wavelength a) an electron with a kinetic energy of 100 eV, (b) a proton with a kinetic energy of 100 eV, (c) an electron in the first Bohr orbit of a hydrogen atom.
Two pellets, each with charge 5 microcoulomb (1 microcoulomb = 0.000001 coulombs), are located 0.5 m apart. What is electrical force between the charges.
find out the magnitude of the gravitational force exerted by one on the other.
The track near the top of your favorite roller coaster has a circular shape with a diameter of 22 m. What is the speed of the roller coaster
A potter's wheel a thick stone disk of radius 0.500 meter and mass 125 kilogram is freely rotating at 50.0 rev/min. Determine the effective coefficient of kinetic friction between the rag and the wheel
Assume 0.360 kilogram of water initially at 35.0oC is poured into a 0.300 kilogram glass beaker having a temperature of 25.0oC. Find the final equilibrium temperature of the system
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