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In 1971, Apollo 14 astronaut Alan Shepard hit two golf balls while on the Moon. The first one rolled 40 yards into a nearby crater, and it is still there today! The second one he hit at 15.8 m/s. Is the second ball still on the moon? You must show calculation(s) for credit.
Three 25.0-ohm resistors are connected in series across a 60.0-V battery. What is the equivalent resistance of the circuit and What is the current in the circuit
A woman with mass 55.0kg is standing on the rim of a large disk that is rotating at 0.470rev/s about an axis perpendicular to it through its center. Calculate the magnitude of the total angular momentum of the woman-plus-disk system
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. What is the radius of a chamber
q1. a brick is thrown upward from the top of a building at an angle of 45deg to the horizontal and with an initial
In a skating stunt, a number of skaters hold hands and form a straight line. obtain the magnitude of the centripetal force that acts on him
When the power is turned off on a turntable spinning at 71.0 rpm , you find that it takes 12.6 revolutions for it to stop while slowing down at a uniform rate. find the angular acceleration (in rad/s^2 ), of this turntable
There is strong evidence that the center of the Milky Way galaxy contains a giant black hole with a mass of perhaps one million Suns. find the maximum radius of a million-solar-mass black hole
If the frequency that is supplied is set at the circuit's resonance frequency, what is the rms voltage across each of the circuit elements
A ball traveling with an initial momentum of 2.5 kg m/s bounces off a wall and comes back in opposite direction with a momentum of -2.5 kg m/s. What is the change in momentum of the ball
A baseball coach shouts loudly at an umpire standing 3.8 meters away. If the sound power produced by the coach is 2.2 × 10?3 W, what is the intensity of the sound when it reaches the umpire? Answer in units of W/m2.
A solenoid 110 cm long and 2.40 cm in diameter carries a current of 16 A. Find the length of wire forming the solenoid
The 1900-turn coil in a dc motor has an area per turn of 1.1 10-2 m2. The design for the motor specifies that the magnitude of the maximum torque is 5.8 N · m, What is the current in the coil
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