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A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a speed of 17.0 m/s at an angle of 40.5° above the horizontal. It rises to its maximum height and then falls down to the green. Ignoring air resistance, find the speed of the ball just before it lands.
Apply Bohr's quantization condition to the motion of the Earth around the Sun. Find a formula for the radii of the allowed circular Earth orbits (involving quantum number n ). What is the difference in radii among the orbit in part (b) and the next l..
Outline what you know about the electronic structure of graphene and outline two methods to make carbon nanotubes
This is an "explosion" question. A 30-06 caliber hunting rifle fires a bullet of mass 0.0115 kg with a velocity of 361 m/s to the right. The ri?e has a mass of 2.87 kg. What is the recoil speed of the rifle as the bullet leaves the rifle?
A rock group is playing in a bar. Sound emerging from the door spreads uniformly in all directions. The intensity level of the music is 37 dB at a distance of 5.99 m from the door. At what distance is the music just barely audible to a person with a ..
The horizontal coordinates of a Frisbee in a strong wind are given by x = -12 t +4t2 and y = 10 t -3t2 where x and y are in meters, and t is in seconds. What is the acceleration of the Frisbee
Dan is gliding on his skateboard at 4.0m/s . He suddenly jumps backward off the skateboard, How fast is Dan going as his feet hit the ground
At what coordinate on the axis is the net electric field produced by particles equal to zero.
A 1.7kg , 20-cm-diameter turntable rotates at 50rpm on frictionless bearings, What is the turntable's angular velocity, in rpm, just after this event
during a rockslide a 520 kg rock slides from rest down a hillside that is 500 m long and 300 m high. the coefficient of
If a child dives down to the bottom of the pool what pressure is exerted on the child?
A projectile is fired at v0 = 407.0 m/s at an angle of ? = 72.0o with respect to the horizontal. Assume that air friction will shorten the range by 34.1%. How far will the projectile travel in the horizontal direction, R?
Consider a system consisting of two long, concentric solenoids. The larger solenoid has current running in counter clockwise fashion. Find the magnetic field strength inbetween the solenoids. positive number if it is up
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