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A 70 m3 incompressible box is completely submerged in a fluid. What volume of fluid is displacedby the box if the fluid is...a) ...air? The density of air is 1.2kg/m3.m3b) ...mercury? The density of mercury is is 13.6g/mL.m3c) ...helium? The density of helium is 0.1786g/L.m3d) ...water? The density of water is 1g/cm3.m3
The deepest place in all the oceans is the Marianas Trench, where the depth is 10.9 km and the pressure is 1.10x10^8 Pa. by how much does its volume decrease
A converging lens and a diverging lens, separated by a distance of 20.5 cm, are used in combination. What is the focal length of the diverging lens
two loudspeakers are separated by 1.00 meters and are excited in phase by a 1200 hz sine wave. at what points on a line
Two circular hoops, with masses and radii in the ratios m2/m1=4 and R2/R1=4, rotate with angular speeds in the ratio ?2/?1=2. What is the ratio of the kinetic energies K2/K1 ?
An object of mass 45.0 g is initially placed in boiling water so that it is at 111° C. Then the object is dropped into a calorimeter, Find the specific heat of the object
A nitrogen molecule is initially in a large volume of calm air at STP. find the length of the path traveled by the molecule
Two current-carrying wires are exactly parallel to one another and both carry 3.5 A of current, What is the direction of the magnetic force caused by wire 2 on wire 1
A runner of mass m = 39kg and running at 3.1m/s runs as shown and jumps on the rim of a playground merry-go-round which has a moment of inertia of 372 kg•m2 and the radius of 2 meters. Assume the merry-go-round is initially at rest, what is its final..
A particle starts from the origin at t = 0 with a velocity of8.0j m/s and moves in the xy plane with a constant acceleration of94.0i + 2.0j) m/s^2. What is the speed of the particle at this time
A 15m long rope of m=1.8kg is stretched such that the tension in the rope is 25N. calculate the displacement of a particle in the rope at t=10s, when the wave is at x=0.5m
Gillian buys a pendulum clock at a discount store and discovers when she gets it home that it loses minutes each day.
A rubber ball is shot straight up from the ground with speed Vo. At what height above the ground do the balls collide
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