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A 0.25 kg skeet (clay target) is fired at an angle of 28 degrees to the horizontal with a speed of 25.0 m/s as shown in the figure above. When it reaches its maximum height, h, it is hig form below by a 15 g pellet traveling vertically upward at a speed of 230 m/s. The pellet is embedded in the skeet.
(a) How much higher, h, does the skeet go up?
(b) How much extra distance does the skeet travel because of the collision?
A 4.79 crate is suspended from the end of a short vertical rope of negligible mass. An upward force is applied to the end of rope, and the height of the crate above its initial position is given by + (0.61) what is the magnitude of the force when ..
A reflecting telescope has a main mirror with fM = 620 mm. If an eyepiece with a magnification of 15 is used, what is the total magnification of the telescope
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In a die-casting operation 0.1 kg charges of molten zinc alloy at 410 degrees C are injected at a rate of 120 charges per hour. Calculate the average die temperature after a die-casting operation
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You want to photograph a circular diffraction pattern whose central maximum has a diameter of 1.1. How far behind the pinhole should you place the viewing screen
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It shouldn't matter how many calories were consumed or how long the person walked or ran, we are just making a comparison of burning calories while exercising at 5km/h and 15km/h.
A 20-N block lifted straight upward by a hand applying a force of 20N has an initial kinetic energy of 16J. What is the block's final kinetic energy
A sodium surface, which has a work function of 2.46eV is illuminated with a wavelength = 300nm light. What is the deBroglie wavelength of these electrons
Two carts with masses of 10.60 kg and 2.50 kg, respectively, move in opposite directions on a frictionless horizontal track with speeds of 6.70 m/s and 3.50 m/s, in that order. The carts stick together after colliding head-on. Find the final speed of..
A 795 kg car moving at 26 m/s brakes to a stop. The brakes contain about 15 kg of iron, that absorbs the energy. What is the increase in temperature of the brakes.
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