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When a mass is suspended from a spring, the equilibrium length is increaseb by 50 mm. The mass is then given a blow which starts it vertically at 200mms^-1. Find the period and amplitude of the resulting oscillations, assuming neglibible dampening.
A rocket of total mass 3180 KG is travelling in outer space with a velocity of 115 m/s. To alter its course by 35.0°, how much mass must be expelled
The filament of a light bulb has a temperature of 2.64 x 103 °C and radiates 60.0 W of power. The emissivity of the filament is 0.388. Find the surface area of the filament
A train is traveling up a 3.3 incline at a speed of 2.45 when the last car breaks free and begins to coast without friction. Explain how long does it take for the last car to come to rest momentarily?
A steel piano wire (Y = 2.0 x 10^11 Pa) has a diameter of 0.80 mm.One end is fixed in place and the other end is wrapped around atuning pin of diameter 8.0 mm. The length of the wire (notincluding the wire wrapped around the tuning pin) is 66 cm.
A standing wave has been created on a string of length 1.5m. The frequency of the wave is 25Hz. What is the wavelength of the standing wave
the half-life of a muon at rest is 1.52 us. One can store muons for a much longer time by accelerating them to a speed very close to that of light, How fast will the muons have to be moving
A long vertical wire carries an unknown current. Coaxial with the wire is a long, thin, cylindrical conducting surface that carries a current of 75 mA upward. What is the size of the current in the wire
A thin rod (length = 1.42 m) is oriented vertically, with its bottom end attached to the floor by means of a frictionless hinge. What is the magnitude of the angular acceleration of the rod just before it strikes the floor
A lamp hangs vertically from a cord in a descending elevator with a constant deceleration a. If the tension in the cord is T0, answer the following, What is the lamp's mass
A team of scientists have arrived at the Galactic Center Black hole(mass of 7.95e36 kg). Having parked their spaceship in orbit at a safe distance around the back hole, what range of angles are needed to optimize the radio
A ball with a diameter of 10 cm is submerged in water. The buoyant force of the water on the ball is
In the Biomedical and Physical Sciences building at MSU there are 127 steps from the ground floor to the sixth floor. How much work did the person do
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