High Speed Casting
Physics Help!?
1.) If you shoot a bullet into a tree, will slow in the tree and emerge below its initial velocity. But when light falls on a glass panel, although it slows down inside, leaving his speed is the same as its initial velocity. Why? 2.) What it takes longer to get through red or blue glass? (My answer: I'm guessing is light blue, but not sure.) 3.) Sunlight is hitting glasses and sunglasses. Which pair of glasses will be warmer? Why? (My answer: I think it is reading glasses, but not the exact reason why.) 4.) Why a high-flying aircraft, or small cast shadow on the ground, while a low-flying aircraft casts a sharp shadow? 5.) What percentage light is transmitted by two polarizing filters ideals, one above the other, with their axes aligned? With their axes crossed at right angles? Help is greatly appreciated.
1) Some of the energy of the bullet is converted into heat, leaving it with less KE than when he entered. The beam loses practically no energy, and what is lost energy leads to an output beam with less intensity, but the same speed, it depends solely on the refractive index of the medium. 2) The blue light is slowed the red over the glass while in transit. 3) The sunglasses will absorb more energy in the light and convert it into heat. 4) The penumbra effect. In the vicinity land, only a small percentage of the rays of the sun moves across the trace of the plane to spread the edges of the shade. At high altitude, almost all the rays of it. If the sun was a point source of light, the shadow would be safe at any height. 5) a) Each ½ absorb the light that strikes it, so ½ * ½ = ¼ .... b) Lo = Li * cos ² Θ, where Θ = 90 °, Lo = 0
High Speed 4 Axis Machining - Hand
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QUANTUM BILL DANCE SERIES LOW PROFILE BAIT CASTING REEL - High Speed Sale Price: $49.95  |
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4 STAINLESS STEEL BEARINGS, ONE PIECE ALUMINUM FRAME, DYNAMAG MAGNETIC CAST CONTROL, LIGHTWEIGHT ALUMINUM SPOOL, HIGH SPEED MACHINED BRASS GEARS, CONTINUOUS ANTI REVERSE, 165 YDS/12 LB LINE CAPACITY, GEAR RATIO: 6... |