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A 5.65 kg object is released from rest while fully submerged in a liquid. The liquid displaced by the submerged object has a mass of 2.5 kg. How far and in what direction does the object move in 0.200 s, assuming that it moves freely and that the drag force on it from the liquid is negligible?
A frictionless plane is 9.4 m long and inclined at 31.9. A sled starts at the bottom with an initial speed of 5.03 m/s up the incline. Find the initial speed of the second sled
An automobile weighing 1.80×104 N is moving with an initial speed of 64.0 km/hr along a flat highway. What is the time required to stop the automobile in the previous problem
A piece of metal weighs 53.6 N in air, 35.0 N in water, and 42.2 N in an unknown metal. What is the density of the unknown liquid
What is the tension in the string.At one time, television sets used "rabbit-ears" antennas. Such an antenna consists of a pair of metal rods.
A virtual image is formed 21.0 cm from a concave mirror having a radius of curvature of 34.5 cm. What is the magnification of the mirror
A source of radio waves is emitted from the center of our galaxy 1.8 x 104 light years away. How much power do the radio waves carry
a steel cylinder of mass 0.325 kg is tied to a string and allowed to revolve in a circle of radius 1.15 m on a
An electron has an initial velocity of 3.00 multiplied by 106 m/s in a uniform 10.0 multiplied by 105 N/C strength electric field. How long does it take the electron to come to rest
q. consider an infinite wire with radius r that carries a current ia compute b r for r lt rconsider a large parallel
Isaac Newton, having convinced himself (erroneously as it turned out) that chromatic aberration was an inherent property of refracting telescopes, invented the reflecting telescope.
If the person in the figure lowers his forearm with mass 1.2kg to be 15 degrees below horizontal, how much force must the biceps exert to hold the 500g ball
Two positive point charges are a fixed distance apart. The sum of their charges is QT. What charge should each have in order to (a) maximize an electric force between them, and (b) minimize it.
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