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A 1,450-kg submarine rises straight up toward the surface. Sea water exerts both an upward buoyant force of 16,140 N on the submarine and a downward resistive force of 1,030 N. What is the submarine's acceleration?
An emf is induced in a conducting loop of wire 1.14m long as its shape is changed from square to circular, Find the average magnitude of the induced emf if the change in shape occurs in 4.23s
a sample containing 3.00 mol of an ideal gas at 25c is expanded isothermally and reversibly from an initial volume if
An open train car, with a mass of 2210 kg, coasts along a horizontal track at the speed 2.47 m/s. What is the car's speed after the loading is completed
Assume that the value of n in a radioactive transition in hydrogen changes only with unity, as is suggested by the correspondence principle. Estimate for what range of values of n the photon that is emitted will have wavelengths in the visible range ..
A typical ten-pound car wheel has a moment of inertia of about .35kg*m^2. evaluate the rotational kinetic energy of the rotating wheel
A uniform plank of 3.00 m and a mass of 50.0 kg is supported with three ropes, as indicated by the blue vectors in FigureP8.21. Find the tension in all rope when a 700 N person is.500 m from the left end.
Suppose the meter stick made an angle of 20 with the horizontal (the 0 mark above and the 100 cm mark below the horizontal ) when in equilibrium. Find the perpendicular distance between the axis of rotation and the lines of action of W & the 100 gm m..
a 63.0kg skater moving initially at 2.40ms on rough horizontal ice comes to rest uniformly in 3.41s due to friction
In the model of hydrogen atom created by Niels Bohr, the electron moves around the lone proton in the nucleus at a speed of 2.2 x 106 m/s in a circle with radius 5.3 x 10-11 meter. Determine is the total energy positive or negative
An electron is accelerated through a potential difference of 3.00 V before colliding with a metal target. What minimum-wavelength light can such an electron emit
A uniform rod of length L rests on a frictionless horizontalsurface. The rod is pivoted about a fixed frictionless axis at oneend. The rod is initial at rest. A bullet traveling parallel to thehorizontal surface and perpendicular to the rod with s..
Liquid nitrogen boils at 77.00 K. Would this experiment needs to be altered if we used water, which boils at 373 K? Why.
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