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Optics. Really Energetic. Why p for Momentum?. Let’s Do the Wave. Move! (In 2D). 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. 2. Optics 100.

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**Optics**ReallyEnergetic Why p for Momentum? Let’s Do the Wave Move! (In 2D) 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500**2**Optics 100 After leaving air, the medium in which the wave is traveling the fastest.**Optics 100**What is medium 1?**Optics 200**Where to aim (above, directly at, above) to hit the fish.**Optics 200**What is aim slightly lower?**Optics 300**Where to aim (above, directly at, above) to hit the fish – when using a LASER gun.**Optics 300**What is directly at the fish?**Optics 400**Perceived location of image of object S by observer at point O.**Optics 400**What is location b?**Optics 500**0.5 m 1.0 m Given a hand mirror 0.5 m in front of your face and a full length mirror 1.0 m behind you, how far in back of the big mirror you see the image of your face.**Optics 500**What is 2 m?**Energy 100**The mass of an object lifted up 4 meters when the change in potential energy is 480 J.**Energy 100**What is 12 kg?**Energy 200**When two stones, one 3 x the mass of the other, are dropped from a cliff, the Ek of the heavier one compared to the lighter one – just before it hits the ground.**Energy 200**What is 3x as much Ek?**Energy 300**Energy it takes a 1000 kg car to accelerate from 0 m/s to 15 m/s AND from 15 m/s to 30 m/s.**Energy 300**What is 112,500 J and 450,000 J?**10 m/s**4 m 8 kg Energy 400 The kinetic energy of an object at the top of the hill shown.**Energy 400**What is 86 J?**Energy 500**The speed of a 4 kg object when it hits the ground if thrown straight down at 12 m/s off of a 44 m tall cliff.**Energy 500**What is 32 m/s?**Momentum 100**The mass of an object traveling at 14 m/s with a momentum of 7 kg m/s.**Momentum 100**What is 0.5 kg?**Momentum 200**The recoil speed of a 5.7 kg rifle that fires a 40 gram bullet at 640 m/s.**Momentum 200**What is 4.49 m/s?**Momentum 300**The speed of a 120 gram Twinkie and a 480 gram Coke after colliding and sticking together - when the Twinkie was originally traveling at 270 cm/s**Momentum 300**What is 54.0 cm/s?**Momentum 400**The speed of a 20 gram object that was at rest before colliding with a 3 gram object that was traveling at 18 cm/s before the collision - and was traveling backwards at 13.3 cm/s after the collision.**Momentum 400**What is 4.7 cm/s?**Momentum 500**The mass of an object that was moving 35 m/s before colliding with - and sticking to – a 12 kg object that was moving in the same direction at 9 m/s before the collision - and together they move at 13 m/s after the collision.**Momentum 500**What is 2.18 kg?**Waves 100**Measurable components of a longitudinal wave.**Waves 100**What is speed, frequency, period, wave length, and amplitude?**Waves 200**The properties of a sound wave that change when it passes from air into water.**Waves 200**What are wave speed and wave length?**Waves 300**The wavelength of microwaves traveling at 3 x 108 m/s at a frequency of 1 x 109 cycles/s – which cause the water molecules in your burrito to vibrate and heat it up.**Waves 300**What is .3 m?**Waves 400**The time it takes a boat to go from the top of a crest to the bottom of the next trough if the spacing between wave crests is 20 m and the speed of the waves is 5 m/s?**Waves 400**What is 2 seconds?**Waves 500**The relative frequencies heard in order from highest to lowest: at source of engine noise (on boat), at base of cliff, echo at boatBackground: Boat engine noise travels to cliff and then returns to boat as an echo.**Waves 500**What is: Frequecy of echo at boat > Frequency at base of cliff > Frequency at source (on boat) ?**h**a b c Move! 100 The punt that has the longest “hang time”.**Move! 100**What is “same same”?**Move! 200**The submarine that gets hit first if two shells are fired simultaneously with the same initial velocity.**Move! 200**What is submarine b?**Move! 300**Given that trajectory b occurs on the earth, the trajectory of the same object shot on the moon, where gravity = 1.6 m/s2**Move! 300**What is trajectory d?**Move! 400**The result (hit, miss, impossible!, close, etc) when you aim and shoot a water balloon directly at your friend at the exact same moment as he lets go and falls from the window. NOTE: Assume shot has enough speed to reach your friend**Move! 400**What is DIRECT HIT?**Move! 500**The distance that a 4 kg object will fly horizontally when pushed off of a 80 m tall cliff by a net force of 28 N over a distance of 14 m. (The question will not include the 10 m.)

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