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A 9.0 kg mess kit sliding on a frictionless surface explodes into two 4.5 kg parts, one moving at 3.0 m/s, due north, and the other at 5.0 m/s, 30° north of east. What was the original speed of the mess kit?
A 22.0 F capacitor is charged by a 155.0 V power supply, then disconnected from the power and connected in series with a 0.220-mH inductor. Calculate the oscillation frequency of the circuit
To determine the center of mass of her body, a student lies on aplank of mass m=10 kg. The plank is supported by two scales at itsends. The distance between the scales is 2.5 meters. The left scalereads 339 N and the right reads 171 N.
A 1.00-cm-high object is placed 3.80 cm to the left of a converging lens of focal length 7.50 cm. Find the position and height of the final image
Explain why the two lines on your graph should always cross at the frequency where XC =R. Find this frequency from your component values and compare it to your graph. What should Vout/Vin equal for each filter at that point?
A bicycle slows down uniformly from v0 = 8.40 m/s to rest over a distance of 115m. Each wheel and tire has an overall diameter of 68.0 cm. determine the angular acceleration of the wheel
A screen is placed 1.30 {rm m} behind a single slit. The central maximum in the resulting diffraction pattern on the screen is 1.70 {rm cm} wide-that is, two first-order diffraction minima are separated by 1.70 {rm cm}.
A mass and spring are arranged on a horizontal, The spring constant is k = 570 N/m, and the mass is 5 kg. Find the velocity of the mass when it leaves the spring
A pilot of mass 70kg pulls out of a dive following a circular path of radius 850m and at a speed of 200m/s. what is the force that the pilot feels
determine the angle below the horizontal that you must aim your spear gun in order to catch dinner. Suppose the spear gun barrel is 1.70 m above the water surface, the fish is 1.40m below surface, and the spear travels in a straight line all the w..
By means of a rope whose mass is negligible, two blocks are suspended over a pulley, as the drawing shows, with m1 = 12.2 kg and m2 = 42.8 kg. find the mass of the pulley
You are designing an airport for small planes. One kind of airplane that may use this airfield must reach a speed of at least 27.8m/s (100 km/h), what minimum length must the runway have
two very long coaxial conducting cylindrical shells have a potential difference 800 v. the inner cylinder has radius
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