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A stone is dropped at t = 0. A second stone, with 6 times the mass of the first, is dropped from the same point at t = 160 ms. (a) How far below the release point is the center of mass of the two stones at t = 300 ms? (Neither stone has yet reached the ground.) (b) How fast is the center of mass of the two-stone system moving at that time?
A vertical containery with base area measuring 14.0 cm by 17.0 cm is being filled with identical pieces of candy, each witha volume of 50.0 mm3 and a mass of 0.0204 g. Assume that the volume of the empty spaces between the candes is negligible. If th..
A boy whirls a stone in a horizontal circle of radius 1.2 m and at height 1.5 m above level ground. What is the magnitude of the centripetal acceleration of the stone
A ball is thrown vertically at 19.6m/s. Ignoring air resistance, how long will the ball be in the air before returning to its initial height
Two charges of +0.250 C are placed at the points (1.25 mm, 0) and (-1.25 mm, 0). A third charge of -0.450 C is placed at the origin. a. What is the electric field at the point (0, 2.20 mm)? b. At what point on the y-axis will E be zero? Show graph..
In a TV set, an electron beam moves with horizontal velocity of 3.1×107 m/s across the cathode ray tube and strikes the screen, 50 cm away. How far does the electron beam fall while traversing this distance
What is the capacitance of this capacitor. Estimate the terminal speed of a wooden sphere (density 0.810 g/cm3) falling through air, if its radius is 8.00 cm and its drag coefficient is 0.5.
A beanbag is thrown horizontally from a dorm room window a height h above the ground. find the direction of the beanbag's velocity
A converging lens (f = 10.8 cm) is located 32.9 cm to the left of a diverging lens (f = -6.06 cm). Locate the final image of the stamp relative to the diverging lens
A crate is dragged 4.0m along a rough floor with a constant velocity by a worker applying a force of 450N to a rope at an angle of 30? to the horizontal
A beam of neutral hydrogen atoms with a speed of 104 m/s along the x-axis enters a 1 m long region, compute The acceleration of the atoms while in the magnetic field region
Standing waves are set up on two strings fixed at each end, as shown in the drawing. find the beat frequency produced by the two standing waves
A block of mass 12.0 kg slides from rest down a frictionless 35.0° incline and is stopped by a strong spring with k = 2.80 104 N/m. how far has the spring been compressed
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