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The velocity of a simple harmonic oscillator is given by v=7.87cos(26.2t) (mks units) To the nearest hundredth of a meter where is the mass at the time t=32.69 s? If the mass is 0.15 kilogram, find the spring potential energy to nearest tenth of a joule?
q1. a 1000kg experimental rocket sled at rest on level frictionless rails is loaded with 50kg of propellant. it
a 6.50 x 10-5 h solenoid is constructed by wrapping 84 turns of wire around a cylinder with a cross-sectional area of
a space probe with a rest mass of 8.2107kg and a speed of 0.5c smashes into an asteroid at rest and becomes embedded
A 0.450kg rock is dropped 14.0m into 3.0kg of water. If all the rock's kinetic energy is converted to thermal energy in the water, what's the water's temperature increase
a golf ball rolls off a horizontal cliff with an initial speed of 13.0 ms. the ball falls a vertical distance of 13.0 m
After the first spring compresses a distance of 32.1 cm, the second spring acts with the first to increase the force as additional compression occurs. The car comes to rest 47.0 cm after first contacting the two-spring system. Find the car's initi..
A liquid is used to make a mercury-type barometer. The barometer is intended for spacefaring astronauts. At the surface of the earth, the column of liquid rises to a height of 2185 mm, but on the surface of Planet X, where the acceleration due to ..
A golf ball is hitwith an initial velocityof 60.0 m/s at an angle of 30 degress abovethe horizontal. How far does it travel
According to Kepler's third law, the orbital period T of a planet is related to the radius R of its orbit by T2 R3. What is the planet's orbital period
During a physics experiment, helium gas is cooled to a temperature of 20.0 K at a pressure of 0.150 atm, What are the mean free path in the gas
Tritium ({}_1^3 {\rm{{\rm H})}} is an unstable isotope of hydrogen; its mass, including one electron, is 3.016049 {\rm u}. Determine the total kinetic energy of beta decay products
Two balls, of masses mA = 40 g and mB =60g, are suspended each on a string of 30 cm long side byside, what is the velocity of the lighter ball before impactl
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