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Two friends are playing a version of proton golf where the hole ismarked by a single proton. The first friend reads his meter, anddeclares he has a field strength of 25.5 N/C. Thesecond friend looks at her meter and realizes she is three times asfar away. What field strength does the second friend's meterread?
Suppose a single electron orbits about a nucleus containing two protons (+2e), find the magnitude of the electron's centripetal acceleration
A merry-go-round starts from rest and accelerates uniformly over 11.0 s to a final angular velocity of 7.50 rev/min, Find the angular acceleration of the merry-go-round
A 3.00-m-long, 400 kg steel beam extends horizontally from the point where it has been bolted to framework of a new building under construction. A 74 kg construction worker stands at the far end of the beam.What is the magnitude of the torque abo..
A child in a boat throws a 3.50 kg package out horizontally with a speed of 15m/s. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 25kg and that of the boat is 70kg. Ignore water re..
A 0.19-kg ball on a stick is whirled on a vertical circle at a constant speed. When the ball is at the three o'clock position, the stick's tension is 20 N. Find the tension in the stick
Find the rms speed and the average kinetic energy of a hydrogen atom at a temperature of 3.4x107 K. (At this temperature (3.4 x10^7)
A double speed trap is set up on a freeway. One police cruiser is hidden behind a billboard, and another is some distance away under a bridge. How far apart are the two cruisers
An electric dipole consisting of charges of magnitude 3.90 nC separated by 7.10µm is in an electric field of strength 1350 N/C. What is the magnitude of the electricdipole moment?
A large wooden turntable in the shape of a flat disk has a radius of 2.05m and a total mass of 130kg. Find the angular speed of the turntable after the parachutist lands
In the first part of the experiment you are asked to plot a graph of force versus length. What will be the expression for the slope of this curve
The electric potential energy stored in the capacitor of a defibrillator is 110 J, and the capacitance is 91 μF. What is the potential difference across the capacitor plates?
A skier is gliding along at 3.6 m/s on horizontal, frictionless snow. He suddenly starts down a 10 degree incline. His speed at the bottom is 17 m/s. What is the length of the incline
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