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A 0.800-kg block oscillates on the end of a spring whose spring constant is k = 42.0 N/m. The mass moves in a fluid which offers a resistive force F=-bv , where b = 0.650 N.s/m.
What is the period of the motion?
What is the fractional decrease in amplitude per cycle? please explain all the steps.
The motion of a piston in an auto engine is simple harmonic. If the piston travels back and forth over a distance of 10cm, calculate the maximum speed of the piston
The roof makes an angle of 23 degrees with the horizontal. If the edge of the roof is 10 meters high, clarify how far from the base of the house the basketball hits.
When a spacecraft travels from Earth to the Moon, the gravitational force from Earth initially opposes this journey. How far from Earth must the spacecraft be for the gravitational forces from the Moon and Earth to just cancel
Two point charges lie along the y-axis. A charge of q1 = -9.5 %u03BCC is at y = 6.0 m, Locate the point (other than infinity) at which the total electric field is zero
An electric motor rotating a workshop grinding wheel at a rate of 9.90 x 10^1 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 1.70 rad/s2.
The electric field in a region of space has the components Ey = Ez = 0 and Ex = (5.90 N/(C·m))x. Point A is on the y axis at y = 4.30 m, What is the potential difference (in V) VB - VA
A 79.0 kg man is riding in a shopping mall. The escalator moves the man at constant velocity from ground level to the floor above, the vertical height of 4.40m.What is the work completed on the man by the gravitational force and the escalator.
A bicycle wheel has a diameter of64.4cm and a mass of1.90kg. What force must be applied by a chain passing over a9.01-cm-diameter sprocket in order to give the wheel an acceleration of4.55rad/s2
A computer to be used in a satellite must be able to withstand accelerations of up to 25 times the acceleration due to gravity. What is the minimum amplitude of vibration that must be used in this test
Consider a person on the moon who launches herself into a standing broad jump at 45 degrees. The average force generated during launching is, compute the maximum height of the jump
How much sound power will strike the eardrum of an airport worker 15.3 m from the aircraft? (Use 1.9 10-2 m as the diameter of the ear.)
9.00 of aluminum at and 19.0 of copper are dropped into 51.0 of ethyl alcohol at. What is the initial temperature of Copper
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