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A uniform thin rod of length L=2.5 m and mass 2 kg can rotate in a horizontal plane about a vertical axis through its center. The rod is at rest when a 0.3 kg ball of putty, moving in the horizontal plane of the rod, hits and sticks to one end. As viewed from above, the ball's velocity vector makes an angle of ? =70° with the rod. If the ball's speed just before impact is 100 m/s, what is the angular velocity of the rod immediately after the collision?
q1. a spring with spring constant 12.5 hangs from the ceiling. a 400 ball is attached to spring and allowed to come to
an ideal gas has a temperature-independent molar specific heat cv at constant volume.let gamacpcv denote the ratio of
In one design, a large spring with spring constant 2×10^4 N/m was placed behind the cannon. The other end of the spring braced against a post that was firmly anchored to ship's frame.
An asteroid is discovered in a nearly circular orbit around the Sun, What is the asteroid\'s orbital period, its \"year,\" in terms of Earth years
A sharp image is located 84.0 mm behind a 64.0 mm focal-length converging lens. Find the object distance using a ray diagram
A large box with mass 45 kg is being pushed up a ramp at a 32o incline at a constant velocity by a man pushing parallel to the incline for 7.80 m, determine The force the man is pushing on the box
A spaceship is approaching a space station at a speed of 1.8E5m/s. The space station has a beacon that emits green light with afrequency of 6.0E14 Hz. What is the change in frequency
Assume that ?1(x,t) and ?2(x,t) are solutions of the one-dimensional time dependent Schrodinger’s wave equation. (a) Show that ?1 + ?2 is a solution. (b) Is ?1 * ?2 is a solution of the Schrodinger equation in general? Why or why not?
A canoe heading 30 degrees west of north is being paddled at a rateof 7 mi/h. Find the resulting speed and direction of the canoe
1.4m/s is a typical walking speed. At what temperature would nitrogen molecules have an rms speed of 1.4 m/s
the capacitor is disconnected from the battery and its plates moved so the distance between them is tripled.a. what is
a 2.2mm -diameter glass bead is positively charged. the potential difference between a point 2.3mm from the bead and a
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