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1.An ideal massless spring is hanging vertically. When a 0.54-kg mass is attached to the spring, the spring stretches by 3.7 cm before reaching a new equilibrium. Then the mass is displaced by 1.9 cm from the new equlibrium. What is the frequency of the resulting oscillation?
2. An ideal massless spring is hanging vertically. When an unknown mass is attached to the spring, the spring stretches by 4.8 cm before reaching a new equilibrium. Then the mass is displaced by 1.9 cm from the new equlibrium. What is the frequency of the resulting oscillation?
Using a simply pulley/rope system, a crewman on an Arctic expedition is trying to lower a 5.52 kg crate to the bottom of a steep ravine of height 23.9 meters. At what speed will the crewman hit the bottom of the ravine
A 50cm long non-conducting cylinder of radius 4cm has a volume charge density of 30 uC/m^3. A grounded conducting cylindrical shell of radius 6cm is placed concentrically around the charged cylinder.
Compute the mass of a ball and speed of a puck after collision.
In a certain automobile engine with an efficiency of 19.2%, combustion of gasoline in one cylinder releases 490 J of heat. Find the total mechanical power produced by all four cylinders, operating at 48 cycles/s, or 2880 rpm
The speed of light in a material is 0.52×c. What is the critical angle (in degrees) of a light ray at the interface between the material and a vacuum
Assume a load resistor RLoad is placed in parallel with a 12 volt battery, calculate the internal resistance of the battery
an initially stationary block of mass m on a floor. A force of magnitude F = 0.580·mg is then applied at upward angle ? = 16°. What is the magnitude of the acceleration of the block across the floor if (a) ?s = 0.600 and ?k = 0.500
A blimp is motoring at constant altitude. The airspeed indicator on the blimp shows that its speed relative to the air is 20km/h, what is the velocity (magnitude and direction) of the blimp relative to the ground
An RL circuit with L = 1.00 H and an RC circuit with C = 4.00 µF have the same time constant. What is this common time constant
Blocks with masses of 2, 3, and 5 are lined up in a row on a frictionless table. All three are pushed forward by a 59 force applied to the 2 block. How much force does the 3.00 kg black exert on the 5 kg block.
First discuss how energy can be converted from one form to another, giving specific examples. Define what we mean
question1the index of refraction for red light in water is 1.331 and that for blue light is 1.340. if a ray of white
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