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Question: An electron at Earth's surface experiences a gravitational force meg. How far away can a proton be and still produce the same force on the electron? (Your answer should show why gravity is unimportant on the molecular scale!) The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
A pendulum of the length L is suspended from the ceiling of an elevator. When the elevator is at rest, the period of the pendulum is T. In instant when the pendulum reaches it's highest position the elevator starts the free fall. What is the period o..
Evaluate the Sp parameters of the 1.59-nH inductor if Z1 = Z2 = 50O.
A worker on top of a radar tower 21.8 ft high drops a wrench off the tower. What is the speed of the wrench when it hits the ground
You are preparing for a 5-day backpacking trip where you plan to use a gasoline cook stove for about 30 min each morning and night. Estimate the minimum amount of gasoline you should take on your trip
A baseball (mass 0.14 kg, radius 3.7 cm) is spinning with an angular velocity of 56 rad/s. What is its rotational kinetic energy
a 2.60-g lead bullet at 32.0degc is fired at a speed of 210 ms into a large block of ice at 0degc in which it becomes
Jack was exposed to fast neutrons; he received a radiation dose of 160 rem on part of his hand, affecting 27.0 grams of tissue. The relative biological effectiveness (RBE) of these neutrons is 11.0.
The Stanford Linear Accelerator can accelerate electrons to energies of 50 GeV. What is their de Broglie wavelength? Recalling that waves can only probe structure as small as their wavelength divided by 2, what fraction of a proton’s diameter (d = 2 ..
A woman stands among a vertical mirror, which is 0.56 m high, and a distant tree. She is 1.05 m from the mirror, and the tree is 10.0 m from the mirror. How tall is the tree if she sees its image just filling the mirror?
The bob of a simple pendulum of length l = 800 mm is released from rest when θ= 15°. Assuming simple harmonic motion, determine 1.6 s after release (a) the angle u, (b) the magnitudes of the velocity and acceleration of the bob.
Two thin-walled concentric conducting spheres of radii 5.0 cm and 10 cm have a potential difference of 100 V between them
A 1.90-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.20sin(2?t), Find the resonance angular frequency of the system
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