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A bowling ball, which is approximately a smooth round sphere 8.6 inches in diameter and weighing 15 lbf, is dropped into a swimming pool. Discover its terminal velocity of descent in the water.
A uniform electric field exists in the region between two oppositely charged plane parallel plates. Find the speed of the electron when it strikes the second plate
A certain light truck can go around a flat curve having a radius of 150 meter with a maximum speed of 38.0 meter per second. Find with what maximum speed can it go around a curve having a radius of 86.5 meter
The amount of carbon- 14 in an ancientwooden bowl is found to be one-half that in a new piece ofwood. How old is the bowl
The Earth's radius is about 4000 miles. Kampala, the capital of Uganda, and Signapore are both nearly on the Equator. What is the plane's angular velovity with respect to the Earth's durface
A pressure measure at the top of an oil well 18,000 ft deep registers 2,000 psig. The bottom 4,000-ft portion of the well is filled with oil (\rho = 43.68 lbm/ft3). The remainder of the well is filled with natural gas (T= 60 °F, compressibility facto..
A 11.0-g wad of sticky clay is hurled horizontally at a 110-g wooden block initially at rest on a horizontal surface. The clay sticks to the block. obtain the speed of the clay immediately before impact
A rock of mass 33 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 242 N. What is the magnitude of the acceleration of rock.
The coefficient of kinetic friction is 0.350. Illustrate what should be the magnitude of vector P , so that the net work done by it and the kinetic frictional force is zero?
we have ammeter and we measure the current of a bulb. when the ammeter is set on 300ma and the bulb is not as bright.
A golf ball strikes a hard, smooth floor at an angle of 37.5 ° and, as the drawing shows, rebounds at the same angle. What is the magnitude of the impulse applied to the golf ball by the floor
As we discussed in class, most of the refraction in your eye happens at the surface of your cornea (n = 1.376). Use this idea to explain why wearing a swimming mask or goggles helps us to see more clearly underwater. Include a diagram in your expla..
A 50.0-kg woman stands at the rim of a horizontal turntable having a moment of inertia of 560 kg · m2 and a radius of 2.00 m. find With what angular speed does the turntable rotate
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