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1. Oil of density .7 g/cm3 is held in a large container, 20m off the ground and filled to a height of 2 m, flows into a 1 cm diameter tube during a hole in the bottom of the container. Estimate the speed at which the oil flows out of the tube at ground level.
a) 7 m/s b)7cm/s c) 21 m/s d) 21 cm/s
2. A square wooden raft sinks halfway into the water unloaded and sinks all the way into the water without sinking when carrying a load of 200 kg. Discover the mass of the raft?
a) 100 kg b) 200kg c) 400 kg d) 980 kg
A certain corner of a room is selected as the origin of a rectangular coordinate system. what is the location of the fly in polar coordinates
Find the speed of a satellite in a circular orbit around the earth with a radius 4.01 times the mean radius of the earth; RE 6.37E+3km; ME 5.98E+24kg
1. - discuss the transient and steady states of a dc circuits response to a step input.2. -what components must be
What is the relationship between electric potential and electric field, If we know the electric potential everywhere in a region
A parallel plate capacitor with 4.0 mm plate spacing has circular plates and holds a charge of +/- 6 uC on each plate when it is charged to a potential of 100 V. What is the radius of the plates
A small object with a mass of m = 808 g is whirled at the end of a rope in a vertical circle with a radius of r = 128 cm. determine the tension in the rope
A proton accelerates from rest in a uniform electricfield of 670 N/C. At some later instant,its speed is 1.60 X106 m/s(nonrelativistic, because v is much less than the speed oflight). Find the acceleration of the proton.
A certain amount of oxygen gas occupies a volume of 12 liters when its temperature is 20C and its pressure is 1 atm. Calculate the number of grams of oxygen
alan leaves la at 8am to drive to sf 400mls away. he travels at a steady 50mph. beth leaves la at 9am and drives a
Monochromatic light of wavelength 500 nm is incident normally on a diffraction grating. how many TOTAL number of maxima can be seen
A series RLC circuit is driven by a generator at a frequency of 2280 Hz and an emf amplitude of 189 V. The inductance is 61.1 mH, the capacitance is 0.426 ?F, and the resistance is 219 ?. (a) What is the phase constant in radians? (b) What is the cur..
a 15-kg block rests on a level frictionless surface and is attatched by a light string to a 5.0-kg hanging mass, what is the tension in the connecting string
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