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A hunter aims directly at a target (on the same level) 137 m away. If the bullet leaves the gun at a speed of 271 m/s, by how much will it miss the target? At what angle must the gun be aimed so the target will be hit?
A copper wire has a square cross section a on a side. The wire is L long and carries a current of I. The density of free electrons is ne. Estimate the magnitude of the current density in the wire
Consider the circuit in the figure below. Take emf = 6.00 V, L = 7.00 mH, and R = 6.00 O. What is the value of the final steady-state current
question a 51kg woman runs up a flight of stairs in 5.0s. her net upward displacement is 5.0m. approximately what
The harmonic oscillator can be used as a model for the vibrational motion of a diatomic molecule. Describe the vibrational spectrum that is predicted by the harmonic oscillator model. In what region of the electromagnetic spectrum will the spectru..
a train has a mass of 5.86e6 kg and is moving at 57.7 kmhr. the engineer applies the brakes which results in a net
A horizontal vinyl record of radius 0.11 m rotates about a vertical axis through its center with an angular speed of 4.7 rad/s. What is the angular speed of the record immediately after the putty sticks to it
A block slides upward on a rough, vertical wall at constant velocity when a force F of 60 N acts on it at an angle ? = 60? to the horizontal. Determine the force of kinetic friction on the block
Two long straight parallel wires are 19cm apart. Wire A carries 2.0-A current. Wire B's current is5.0A in the same direction, Determine the force per unit length on wire B due to wire A
An engine with an output of 300 W has an efficiency of 35.0 %. It works at 13.00 cycles/s. How much work is done in each cycle
A 55 kg engineer leaves her office on the 33rd floor of askyscraper and takes an elevator to the 59th floor. Later shedescends to street level. what is the engineer's potential energy
A 1.0 m long rod has a density explained by λ =a + bx, where λ is the density in kilograms per meter of length, a = 2.0 kg/m, b =5.0 kg/m2, and x is the distance in meters from the left end of the rod. The rod rests horizontally with its end search s..
julie throws a ball to her friend sarah. the ball leaves julies hand a distance 1.5 meters above the ground with an
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