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the 3.00 kg cube has edge lengths d = 6.00 cm and is mounted on an axle through its center. A spring (k=1200 N/m) connects the cube's upper corner to a rigid wall. initially the spring is at its rest length. if the cube is rotated 3 degrees and released, what is the period of the resulting SHM?
Gravity fed intravenous infusions are made possible by hanging a bag of fluid above the patient. If blood pressure is 18 mm Hg above atmospheric pressure, find the minimum height of the bag such that fluid flows into the body. Assume the density of t..
Calculate the energy needed to accelerate a spaceship of mass10,000 kg to a speed of .3c for intergalactic spaceexplortation. Compare this with a projected annual energy usage onEarth of 1021.
an iron cable .80cm in diameter and 25 m long stretches 1.27 cm under a 5100N load a mole of iron has a mass of 56 grams, What is the stiffness ks,i of a single interatomic spring
A Helium-Neon laser (?=633 nm) illuminates a diffraction grating. What is the spacing between the slits of the grating
A 0.060 kg tennis ball, initially moving at a speed of 12 m/s,is truck by a racket causing it to rebound in the oppositedirection at a speed of 18 m/s. What is the change in momentum of the ball?
A runner accelerates to a velocity of 4.15 m/s due west in 1.50s. His average acceleration is 0.640 m/s^2, also directed due west. What was his velocity when he began accelerating.
We can roughly model a gymnastic tumbler as a uniform solid cylinder of mass 72.0kg and diameter 1.20m. What percent of his total kinetic energy is rotational
An electron is accelerated from rest through a potential difference of 2.50 kV. What would be its de Broglie Wavelength
A 218.7 kg satellite is in a circular orbit of 26,273 miles (42,300,000 m) in radius. What is the velocity (speed) of the satellite
Charges Q1 = 6 x 18-8 C and Q2 = - 6 x 10^9 C are separated by 0.1m. What is the magnitude of the electric field midway between the two charges
An air hockey puck is attached to a string with a length of .45 m and is set in a circular motion with a period of 2.0 s. What is the tangential speed of the puck
A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, What was the bear's average speed
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