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a solid ball has a rotational inertia of 0.0314 kgm2. it is rotated by applying a 4.7 N force tangentiallyto it. the radius is 14 cm. what is the angular acceleration of the ball?
A plane flying horizontally at a speed of 50.0 m/s and at an elevation of 160 m drops a package. How far apart will the two packages land on the ground (ignore air resistance)
A spring is compressed by 0.0541 m and is used to launch an object horizontally with a speed of 2.80 m/s. If the object were attached to the spring, at what angular frequency (in rad/s) would it oscillate?
A size-5 soccer ball of diameter 22.6 and mass 426 rolls up a hill without slipping, reaching a maximum height of 3.50 above the base of the hill. At what rate was it rotating at the base of the hill
115 g of glass beads, originally at a temperature of 75.0 oC, are added to 85.0 g of ethyl alcohol which is at a temperature of -50.0 oC. find the temperature of the mixture when thermal equilibrium is reached
Two capacitors are connected in series. Let 3.40?F be the capacitance of first capacitor, 5.00?Fthe capacitance of the second capacitor, Calculate the potential difference across each capacitor
A string with a mass per length of 2.00 gm/m is stretched with a force of 150 N between two points that are 0.500 m apart. what is the length of the organ pipe
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 22.0 m/s. With what speed and angle of impact does the stone land
q1. a vessel whose walls are thermally insulated contains 2.00 of water and 0.550 of ice all at a temperature of 0.0.
If two carts were hooked together at rest. Then a small explosion occurs and the carts move in opposite directions. Is momentum conserved? is Energy conserved? Explain
An object is placed to the left of a lens, and a real image is formed to the right of the lens. How far from the lens is the object
f the U.S. demand for electricity continues to grow at about 2% per year, how many more MWe would be needed to meet that demand in 10 years, What fraction of our present use of natural gas is this
A space freighter has a total mass of 1.00*10^6 kg. The captain wants to travel to a destination 1.00 light years away in 12 years, Approximately how much mass must be converted energy
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