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two blocks of mass m and 4m are joined by a rigid rid of negligible mass. the centers of mass of the blocks are separated by length L.
(a) calculate the center of mass relative to the center of the left block.
(b) calculate the moment of inertia about a vertical axis through the center of mass.
A rock is thrown from the roof of a building with a velocity v(0) at an angle alpha(0) of from the horizontal. Calculate the magnitude of the velocity of the rock just before it strikes the ground
Two astronauts, each having a mass of 88.0 kg, are connected by a 10.0 m rope of negligible mass. What is the new rotational energy of the system
Why is surface wind always directed at some angle across sea-level isobars toward lower pressure? Why is the surface wind directed across the sea-level isobars at a greater angle in Madison than over the middle of Lake Michigan.
A 685 kg car stopped at an intersection is rear-ended by a 1470 kg truck moving with a speed of 12.5 m/s. find the final speed of both vehicles after the collision
a 315 kg box moving at 35 ms and strikes a 155 kg box which is at rest. if the 155 kg box travels 14 m before coming to
A recent discovery of human bones revealed only 26.5 % radiocarbon activity compared to live human bones. Estimate the age of the bones
Two 2.3-cm-diameter electrodes with a 0.10-mm-thick sheet of Teflon between them are attached to a 9.0 battery. What is the charge before the Teflon is removed
A wire carries a current of 9.0 A in a direction that makes an angle of 35.0° with the direction of a magnetic field, Find the magnetic force on a 6.00 m length of the wire
Consider a planet that, given its albedo and distance from the sun, should have a surface temperature of 110 K, but instead has a surface temperature of 130 K because it has an internal source of heat. How much more energy is the planet emitting than..
A diver is planning to salvage a Spanish galleon located in 200 feet of water. He plans to use a diving suit that will be supplied with air from a hose. Calculate which compressor should be bought by the diver for the given condition
A rock thrown with speed 10.5 and launch angle 30.0(above the horizontal) travels a horizontal distance of = 18.0before hitting the ground. Find the height (yi) from which the rock was launched
A projectile is fired in such a way that its horizontal range is equal to 5 times its maximum height. What is the angle of projection
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