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A box of mass 72.0 kg is connected to a second box with a mass of 34.0 kg. Both are sitting on a horizontal surface and the coefficient of kinetic friction between the surface and each box is 0.61. If the second box is pulled away from the first box with a force of 734.7 N, find the magnitude of the tension in the string between the two boxes.
What mass (in grams) of steam at 100°C must be mixed with 251 g of ice at its melting point, in a thermally insulated container, to create liquid water at 66.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, an..
A string 3 meters long has a mass of 2 grams. one end of the string is attached to a wall, what is the speed of a transverse wave in this string
Superman meets an asteroid in outer space and hurls it at 90m/s. The asteroid is five hundred times more massive than Superman is. In the strip, Superman is seen at rest after throw. Taking physics into account, what would be his recoil speed.
The average frictional force exerted on him by the pole has a magnitude of 815 N, and his speed at the bottom of the pole is 3.7 m/s. Explain how far did he slide down the pole?
A crazy anti-textbook Pearson rep goes ape and tries to chop a 6.0 cm thick textbook in half to show you how books, what force did the book exert back while it was being cut
What tension in Newtons should a 50cm length of string support in order to whirl an attached 2000g stone in a circular path at 5 m/s.
A dolphin wants to swim directly back to its home bay, which is 0.760 km due west. It can swim at a speed of 4.23 m/s relative to the water, but a uniform water current flows with speed 2.92 m/s in the southeast direction. What direction should th..
A catapult on a cliff launches a large round rock towards a ship on the ocean below. The rock leaves the catapult from a height H of 33.0 m above sea level, To what height above sea level does the rock rise
Gas lanterns used on camping trips have mantles (small lacy bags that give off light) made from a rayon mesh impregnated with thorium and other materials. A typical mantle contains 439 mg of thorium. What is the reactivity of the mantle
The bullet becomes embedded in the block. If the bullet-block system compresses the spring by a maximum of 88.0 cm, what was the speed of bullet at impact with the block.
An object 1.00" high is placed 2.00" in front of a concave mirro f radius 4.00" Find p and q. Show work/picture. Locate and describe the image
The model airplane in figure below is flying at a speed of 19 m/s on a horizontal circle of radius 17 m, What is the net work done on the plane
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