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If the system of Problem is excited by a harmonic force of frequency 4 cps, what will be the percentage increase in the amplitude of forced vibration when the dashpot is removed?
A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235 m below. With what speed do the supplies land in the latter case
A soccer ball is kicked with an initial speed of 9.8 m/s. After 0.200 s it is at its highest point. What was its initial direction of motion
an electric dipole consists of charges e and -e separated by 0.90 nm. it is in an electric field of strength 3.00 106
One mole of an ideal gas at 27 °C is expanded isothermally from an initial pressure of 3 atm to a final pressure of 1 atm in two ways. (a) reversible, and (b) against a constant external pressure of 1 atm. find q, w, ΔU, ΔH, ΔSsys, ΔSsurr, ΔStotal..
A uniform solid disk with a mass of 26.3 kg and a radius of 0.214 m is free to rotate about a frictionless axle. What is the net torque produced by the two forces
Two carts with masses of 5.00 kg and 2.64 kg move toward each other on a frictionless track with speeds of 4.86 m/s and 3.46 m/s correspondingly. The carts stick together after colliding head-on. Find the final speed.
The mean distance between earth and the sun is 1.50 x 10^11 m. The average intensity of solar radiation incident on the upper atmosphere of the earth is 1390 W/m^2. determine the total power radiated by the sun
What is the acceleration of the jet in m/s2?
Given an isothermal expansion of gas from 1.0 to 2.0 cubic meters in a piston-cylinder arrangement where pressure varies according to P= 1.2 atm -.062 atm/ m^3 V, How much thermal energy was transferred
A 1240kg car and 3820kg truck undergo a perfectly inelastic collision. Find the velocity of the wreckage immediately after the collision
gas at constant t and p is contained in a supply line connected through a valve to aclosed tank containing the same gas
A block of mass m= 2.00kg is released from rest at h=0.500m above the surface of a table, at the top of a 30 degree incline. What is the velocity of the block as it leaves the incline
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