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Assume it takes 6.00 min to fill a 45.0-gal gasoline tank. (1 U.S. gal = 231 in.3)
(a) Calculate the rate at which the tank is filled in gallons per second.
(b) Calculate the rate at which the tank is filled in cubic meters per second.
(c) Determine the time interval, in hours, required to fill a 1.00-m3 volume at the same rate.
life scientists use ultracentrifuges to separate biological components or to remove molecules from suspension. samples
Ball A is launched 45 degrees above the horizontal, Ball B is launched 45 degrees below the horizontal, and Ball C is launched horizontally. Which ball hits the ground with the greatest speed?
Find out all intermediate results to at least four-digit accuracy to minimize roundoff error. m/s2 direction 3° from the direction of velocity towards center of the circle
1.79 mole of an ideal diatomic gas can go from a to c along either the direct (diagonal) path ac or the indirect path abc. find the net transfer of energy as heat for the indirect path
A 0.157-kg particle undergoes simple harmonic motion along the horizontal x-axis between the points x1 = -0.253 m and x2 = 0.495 m. Find the force constant, k, and the total mechanical energy
The cord between the pouch and the person's hand has negligible mass and will break when the tension in the cord is 33.0 N or more. Assume the sling thrower could gradually increase the speed of the stone.
A barber's chair with a person in it weighs 2100N. The output plunger of a hydraulic system begins to lift the chair when the barber's foot applies a force of 55N to the input piston. Neglect any height difference between the plunger and the piston. ..
An object undergoing simple harmonic motion has amplitude of 2.3m. If the maximum velocity of the object is 10 m/s, what is the object's angular frequency?
In a pig-calling contest, a caller produces a sound with an intensity level of 80 dB. Find how many such callers would be required to reach the pain level of 120 dB
A centripetal force of 258 N is experienced by a 0.625 gram object as it is spun in a circular path with a radius of 3.50 meters. What is the frequency of the object in RPM
A blue ball is thrown upward with an initial speed of 22.8 m/s, from a height of 0.9 meters above the ground. 2.8 seconds after the blue ball is thrown, How long after the blue ball is thrown are the two balls in the air at the same height
Suppose that the sound level of a conversation is initially at an angry 72 dB and then drops to a soothing 50 dB. determine the initial and final sound intensities
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