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A simple harmonic oscillator consists of a block of mass 1.40 kg attached to a spring of spring constant 100 N/m. When t = 0.840 s, the position and velocity of the block are x = 0.110 m and v = 3.790 m/s. (a) What is the amplitude of the oscillations? What were the (b) position and (c) velocity of the block at t = 0 s?
A 5.0micrometer strand of DNA carries +e charge per nm of length. Treating it as a charged line, what's the electric field strength 28 nanometer from the DNA, not near either end
What effect does this have on the mass of the ice? What effect does this have on the amount of water displaced? Is this a concern, or will your measured mass still be correct if air bubbles are present?
A 1,000 kilogram vehicle accelerates uniformly to double its speed form 36.0 kilometer per hour in 5.00 second. Obtain what net force acted on this vehicle
Determine what is the maximum voltage that can be applied to a 2 Ω resistor rated at a power 1Watt
the starting current in a dc motor is 20 a but it normally operates on 110 volts with a back emf of 90 volts. what is
An object is placed 13 cm in front of a converging lens with a focal length of 1 cm. Carefully draw a ray diagram on a piece of graph paper , Is the image magnified or reduced
moving a charge from point a where the potential is 380v to point b where the potential is 190 v takes 4.1times10-4 j
A 0.70-kg disk with a rotational inertia given by MR2/2 is free torotate on a fixed horizontal axis suspended from the ceiling. A string is wrapped around thedisk and a 2.0-kg mass hangs from the free end. I
a convex mirror with a focal length of - 85 cm is used to give a truck driver a view behind the vehicle. if a person
The centripetal force required to hold an object on the surface must be no larger than the force of gravity or the object will not stay on the surface. The minimum value for gpulsar is ___. (For comparison, the strength of the gravitational force ..
There are two identical, positively charged conducting spheres fixed in space. The spheres are 45.4 cm apart, find the initial charge on each sphere
Consider both a wristwatch and Big Ben (the clock on the tower at the Palace of Westminster in London), How do the two kinetic energies compare to each other
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