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A force applied to an object of mass m1 produces an acceleration of 3.00 m/s2. The same force applied to a second object of mass m2 produces an acceleration of 1.00 m/s2. A) what is the value of the ratio m1/m2. B). If m1 and m2 are combined into one object, find its acceleration under the action of the force.
Water flows over a section of Niagara Falls at the rate of 1.1 x10^6 kg/s and falls 55 m. How much power is generated by the falling water.
A point source emits 26.2 W of sound isotropically. A small microphone intercepts the sound in an area of 0.121 cm2, determine the power intercepted by the microphone
A candle is held 6.0 cm from the surface of a reflecting ball, and its image appears three-quarters of its actual size. What is the diameter of the ball
At what driving frequency fd do two phasors have the same length? At that driving frequency, what are (c) the phase angle in degrees, (d) the angular speed at which the phasors rotate, and (e) the current amplitude?
Ice at 0 degrees Celsius and at a pressure of 1 atmosphere has a density of 916.23 kg m^-3 while water under these conditions has a density of 999.84 kg m^-3
The spring is aligned with the plane and has a spring constant of 133 N/m. Explain how much does the spring stretch?
q1. a map suggests that atlanta is 730 miles in a direction 5.00 degrees north of east from dallas. the similar map
The observer on the right, sees two final images. One image comes directly from the objet. What is the focal length of the concave mirror
Three identical point particles that have charge q are at the vertices of an equilateral triangle that is circumscribed by a circle of radius a that lies in the z = 0 plane, What is the electric potential at the origin
A 2.0 cm x 2.0 cm parallel-plate capacitor has a 3.0 mm spacing.The electric field strength inside the capacitor is 1.1 x105 V/m. How much charge is on each plate
A solid (cylindrical) flywheel of mass m and radius r is initally at rest. A force F acts tangentially on its perimeter for a time t. Show that its angular velocity at t = 2Ft/mr . Illustrate what is its angular displacement during that time?
A member of an aircraft maintenance crew wears protective earplugs that reduce the sound intensity by a factor of 360. When a jet aircraft is taking off, the sound intensity level experienced by the crew member is 91 dB. What would the sound intensit..
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