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Compute each part of given question:
Question: A pirate ship is 560m from a fort defending the harbor entrance of an island. A defense cannon, located at sea level, fires balls at an initial speed of 82m/s.
Part A: At what angle from the horizontal must a ball be fired to hit the ship?
Part B: How far should the pirate ship be from the cannon if it is to be beyond the maximum range of the cannonball?
Show all work, use additional paper if necessary.
A coil with magnetic moment of 0.05 A*m^2 directed 80 degrees counterclockwise of the +x axis in the xy plane is at a place where the magnetic field is 15 mT 30 degrees counterclockwise of the +x axis. What is the effect of the field on the coil
A fuel leak is discovered at this point, and crew calculates that the plane can safely fly no more than 170 km before an emergency landing should be attempted. The only appropriate location for an emergency landing is 100 km north of their current po..
A man pushes a lawn mower on a level lawn with a force of 187 N. If 51 percent of the force is directed horizontally, how much work is completed by the man in pushing the mower 7.0 m.
A remote-controlled car's wheel accelerates at 22.1rad/s2. if the wheel begins with an angular speed of 10rad/s, what is the wheel's angular speed after exactly eleven fullturns?
Two balls hit in an elastic collision. Both balls initially have the same speed but opposite directions (before the collision), What is the velocity of both balls after they collide
a one end of a string of length l is held fixed. the other end is attached to a weightless ring that can slide
how many joules of energy does a 100-watt light bulb use per hour? how fast would a 70-kg person have to run to have
in the produce section of a supermarket, five pears are placed on a spring scale. The placement of the pears stretches the spring and causes the dial to move from zero to a reading of 2.0kg. If the spring constant is 450 n/m, what is the displacement..
Calculate the velocity of a satellite moving in a stable circular orbit about the Earth at a height of 3700 km
A charge of -4.34C is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.122 m). The charges on the circle are -5.56C at the position due north and +6.30C at the position due east.
An 790 kg roller-coaster car is launched from a giantspring of constant 35 Kn/m into a frictionless loop-the-looptrack of radius 5.5 m. What is the minimum amount that the spring must be compressed if the car is to stay on the track?
1 find the solid angle subtended by a f1 lens at a point source located at its focus.2 find the radian intensity of a
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