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Question: Suppose you have two point-like charges q1 = 0.5C and q2 = 1C separated by 0.5m. What is the magnitude of the force on the smaller of the two charges? Compare this force to the force on the larger charge.
A 650 kg elevator starts from rest. It moves upward for 4.50 s with constant acceleration until it reaches its cruising speed, 1.75 m/s. What is the average power of the elevator motor during this period
Using m=mo/(1-v^2/c^2)^(1/2) to describe the special relativistic effects on an electron orbiting with a speed v in an atom, estimate the percentage correction to the n=1 energy in a hydrogen atom or a uranium atom.
An object has an angular size of 0.0150 rad when placed at the near point (21.0cm) of an eye. When the eye views this object using a magnifying glass, the largest possible angular size of the image is 0.0380 rad. What is the focal length of the magni..
A fireman d = 60.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of θi = 36.0° above the horizontal, At what height will the stream of water strike the building
Consider a solid sphere, mass = 4.0 kg, that is spinning with an angular velocity of 23 radians/second.The diameter of the sphere is 0.20 meters
A 1.5kg ball and a 3.0kg ball are connected by a 3.0m long rigid, massless rod. What torque will bring the balls to a halt
The 2011 Porsche Turbo S can go from 0 to 60 mph in 2.9 seconds. It can break from 60 to 0 mph in 93 feet. It has a mass of 1590 kg. What is the average force exerted by the engine
A 500-turn circular coil with an area of .050 m2 is mounted on a rotating frame that turns at a rate of 20.0 rad/s in the presence of a .050-T uniform magnetic field perpendicular to the axis of rotation
A proton is confined to a nucleus that has a diameter of 8.3 × 10-15 m. what is the minimum uncertainty in its momentum
Explain why Brownian motion provides evidence for the existence of atoms and molecules. Describe the Difference between elements, compounds, and mixtures. Which would be easier to separate, a mixture or a compound? Explain your answer
two point charges are placed along a horizontal axis with the following values and positions 3.0 microc at x 0 cm and
a capacitor is consists of two short sections of parallel wires in air. one wire is found to be of the voltage of 40 v
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