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A commercial aircraft is going from JFK Airport to Ohare Airport at a cruising speed of 650 km/h measured relative to the surrounding air. A wind is blowing with a speed of 250 km/h from the south. The vector diagram illustrates the direction that the pilot should direct the aircraft so that its velocity relative to the ground is due west. Find the speed of the aircraft relative to the ground.
A krypton laser produces a cylindrical red laser beam 3mm in diameter with 4W of power. What is the light intensity on a wall 5.0 m away from the laser.
A terrestrial telescope uses an objective and eyepiece with focal lengths of 42cm and 6.0cm, respectively. find the magnification of the telescope for an object at infinity
question an electron moves through a uniform electric field e 2.80i 4.50j vm and a uniform magnetic field b 0.386k
It takes 150 minutes for a middle-aged physics professor to ride his bicycle up the road to Alpe d'Huez in France. What is the bicyclist's average power output
Two people, one of mass 88kg and the other of mass 62kg , sit in a rowboat of mass 68kg. With the boat initially at rest, In what direction will the boat move
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. What is the radius of the chamber
a 40g horizontal metal bar 12cm long is free to slide up and down between two tall vertical metal rods that are 12cm
An airplane is flying with a velocity of 85.0 m/s at an angle of 25.0 degrees above the horizontal. When the plane is a distance 117 m straight above a dog that is standing on level ground, a suitcase drops out of luggage compartment. How far from..
a contact lens is made of plastic with an index of refraction of 1.54. the lens has an outer radius of curvature of
A ball is shot from the top of a building with an initial velocity of 20m/s at an angle ? = 42? above the horizontal. What are the x and y components of the initial velocity
a spherical shell of inner radius 2.0 cm and outer radius 6.0 cm is charged to 9 nc a point charge of -6 nc is placed
A motorboat heads due east 13.3 m/s across a river that flows toward the south at a speed of 4.5m/s. Illustrate what is the magnitude of the resultant velocity relative to an observer on the shore?
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