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Problem: In 1911, Ernest Rutherford discovered the nucleus of the atom by observing the scattering of helium nuclei from gold nuclei. If a helium nucleus with a mass of 6.68 x 10-27 kg, a charge of +2e, and an initial velocity of 1.26 x 107 m/s is projected head-on toward a gold nucleus with a charge of +79e,
Part A: How close will the helium atom come to the gold nucleus before it stops and turns around?
I need help to solve the above question and assume the gold nucleus is held in place by other gold atoms and does not move.
A hiker begins a trip by first walking 23.0 km southeast from her car. She stops and sets up her tent for the night. On the second day, Determine the components of the hiker's displacement for each day
A parallel-plate capacitor is charged and then disconnected from the battery that charged it. A teflon layer is inserted between the plates
Lily is sprinting in a 100 m dash. at he 80 m mark her velocity is 9.5 m/s. What is the velocity of the air relative to Lily
while driving behind a car traveling at 3.55 ms you notice that one of the cars tires has a small hemispherical bump on
A block is sliding to the right up a inclined plane (10 degrees) at an initial speed of 0.5 m/s. The coeffecient of friction is 0.3. how large must the minimum coefficient of static friction be
Ball A is attached to one end of a rigid massless rod, while an identical ball B is attached to the center of the rod. Each ballhas a mass of m= 0.50 kg, and the length of each half rodis L= 0.1m.
An ancient manuscript reveals that a owner of a vineyard in Rome held 2 selions of plowed land plus a livestock area of 20 perches by 5 perches
q1. water flows over victoria falls which is 128 m high at an average rate of 1.6 times 106 kgs. the acceleration of
A large water tank springs a leak in its side which is 10 m above the ground. The spraying water hits the ground a distance 12m from a point directly underneath the leak.
A hollow insulating sphere with an inner radius of 9.04 cm and an outer radius of 14.7 cm has a uniform charge density of 78.7 µC/m3 distributed, What "charge enclosed" should we use
Kelli weighs 405 N, and she is sitting on the playground swing that hangs 0.43 m above the ground. Her mom pulls the swing back and releases it when the seat is 1.00 m above the ground. suppose that air resistance is negligible.
Estimate Earth's rotational inertia, assuming it to be a uniform solid sphere, What torque applied to Earth would cause the length of the day to change by 1 second every century
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