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A block of mass 2.5 kilogram, starting from rest, falls a vertical distance of 75centimeter before striking a vertical coiled spring. As a result of this contact the spring is compressed a distance, x, from its original length when the block comes momentarily to rest. The spring constant for the spring is 4000N/m.
Find the distance x, that the spring is compressed?
After the block is momentarily at rest, the spring will return to its equilibrium position and eject the block back into the air. Obtain what is the speed of the block when it is a distance of 50cm above the end of the spring?
An AC generator supplies an RMS voltage of 220 V at 60.0 Hz. It is connected in series with a 0.520 H inductor, a 3.50 ?F capacitor and a 363 ? resistor. What is the impedance of the circuit?
find the angle between the position vectors to the points 3 -4 0 and -2 1 0 and find the direction cosines of a vector
As a logging truck rounds a bend in the road, some logs come loose and begin to roll without slipping down the mountainside. What is the friction force on the rolling logs
A 0.29 micro farad capacitor is connected across an AC generator that produces a peak voltage of 10.4 V. What is the peak current through the capacitor
A 23-g bullet traveling 270m/s penetrates a 2.2kgblock of wood and emerges cleanly at 215m/s. how fast does it move after the bullet emerges
The rope wrapped around the outer diameter of the disk is pulled at a constant speed of 1.06 m/s. find how fast does the hanging mass rise
Orb spiders make silk with a typical diameter of 0.15 .A typical large orb spider has a mass of 0.50. If this spider suspends itself from a single 12-cm-long strand of silk, by how much will the silk stretch
A man enters a tall tower, needing to know its height. If this pendulum is taken to the Moon, where the free-fallacceleration is 1.67 m/s2, what is the period there
A horizontal pipe shown in the figure has a cross-sectional area A1 = 37.5cm2 at the wider portions and A2 = 9.40cm2 at the constriction. Find the flow speed at the wide portion
When an AC generator is connected across a 12.0? resistor, the rms current in the resistor is 8.00A. calculate the average power delivered to the resistor
A drunk driver in a 2300kg car plows into a 2100kg parked car with its brake set. Police measurements show that the two cars skid together a distance of 20m before stopping. If the effective coefficient of friction is 0.68, how fast was the drunk goi..
The 4 tires of a car are inflated to a gauge pressure of 2.3 105 Pa. Each and every tire has an area of 0.021 m2 in contact with the surface. Compute the weight of the car
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