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A hunter aims directly at a target (on the same level) 120 m away.
(a) If the bullet leaves the gun at a speed of 290 m/s, by how much will it miss the target?
m
(b) At what angle should the gun be aimed so as to hit the target?
°
How large does the radius R of the dish have to be to achieve an electric field vector amplitude of 0.1 rm mV/m at the receiver.
at a certain location the earth has a magnetic ?eld of 8.3 times 10-5 t pointing in the northward direction at 44?
The length of a moving spaceship is 25.6 m according to an astronaut on the spaceship. what is the speed of the spaceship
a sample of rock from an asteroid is assayed and found to contain 3.62 parts per million uranium, how old is this sample
A current of 18.0 mA is maintained in a single circular loop of 3.70 m circumference. Calculate the magnetic moment of the loop.
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A lens with a focal length of 25 cm and a concave mirror with a radius of curvature of 100 cm are placed 1.0 meters apart. determine if it is real or virtual
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Communications satellites are placed in a circular orbit where they stay over a fixed point on the equator. Find average speed of the satellite in geosynchronous orbit
A skier of mass 50 kg is moving at speed 10 m/s at point P1 down a ski slope with negligible friction. What is the skier's kinetic energy
A 2000 kg elevator initially is moving with speed 2 m/s as it passes the 5th °oor. How much work is done by nonconservative forces during the 10 second interval
A glass bead has a total charge of +10 nC. A proton is located at a distance of 3 cm from the center of the glass bead. What is the direction of the force on the proton
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