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A block is connected to a spring that is suspended from the ceiling. Assuming air resistance is neglected; explain the energy transformations that occur within the system consisting of the block, the Earth, and the spring when the block is set into vertical motion.
a 4 cm diameter vertical cylinder is sealed at the top by a frictionless piston. the piston is 23 cm above the bottom
an iron casting containing a number of cavities weighs 5.70e3 n in air and 3.74e3 n in water. what is the total volume
There is a uniform electric field on both sides of a large plane. Its magnitude is 80 N/C and its direction is toward the plane, on each side of it
A cart of mass 6.8 kg is moving with a velocity of 15.2 m/s. It makes a head-on perfectly inelastic collision with a stationary cart B with mass 6.4 kg causing them to travel with the velocity 7.63 m/s. What is the velocity of cart B.
an lc circuit consists of a capacitor with c2.90mf and an inductor with l30.0mh. at t0 the capacitor has a charge
A 320 piano slides 3.3 down a 24 incline and is kept from accelerating by the man who is pushing back on it parallel to the incline. Determine the work done by the man on the piano.
A slit of width 0.48 mm isilluminated with light of wavelength 464 nm, Find the widths of the first and second maxima on each side of the central maximum
At t=0 a grinding wheel has an angular velocity of 24.20 rad/s. It has a constant angular acceleration of 24.2 rad/s^2 until a circuit breaker trips at t = 1.2 seconds.
You shine a laser on a plastic prism made from an unknown material and measure the angles relative to the normal that the light takes both inside and outside the medium. What is the index of refraction of the plastic object
Why three points? Would two have been enough? Describe what changes would occur, if any, in the electric field pattern and in the equipotential curve you measured if the magnitudes of your three charges were increased, all by the same factor.
A girl and boy go on a seesaw. The boy goes on one end and the girl goes on the other end. Calculate the distance between the girl and the pivot
venus and the sun are separated by a distance of 0.7 au. where along the path between these two celestial objects does
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