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Formula Quiz Answers & Solutions
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V = D/T 75 km/1.5 hr = 50 km/hr D = V x T 30 km/hr x 2 hrs = 60 km
T = D/V 1075 miles/50 mph = 21.5 hours D = V x T 30 km/hr x 2 hrs = 60 km
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90 km/hr – 50km/hr = 40 km/hr 40 km/hr/5 sec = 8 km/hr/s Force = Mass X Acceleration 300 kg x 4m/s2 = 1200 Newtons Weight = Mass x Acceleration of Gravity 60 kg x ~10 m/s2 = 600 Newtons Work = Force X Distance 50 N x 80 m = 4000 joules
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Distance = Work/Force 250 joules/200 N = 1.25 meters Force = Work/Distance 20 joules/2 meters = 10 Newtons Effort distance/resistance distance 8 m/2 m = MA of 4 Resistance force/effort force 600 N/200 N = MA of 3
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Density = Mass/Volume 47.25 g/17.5 cm3 = 2.7 gm/cm3 Mass = Density x Volume 2.0 gm/cm3 X 5 cm3 = 10 g Volume = Mass/Density 320 g/4 g/cm3 = 80 cm3
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Q = mcΔT 20 g x J/gOC x 20 OC = Joules 455 J = 25 g X c X 130 OC 455J = 3250c (then divide both sides by 3250) 0.14 J/gOC 41840 J = ? g X J/gOC X 5 OC 41840 J = J/g (then divide both sides by 20.92) 2000 g
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I = V/R 260 v/0.4 Ω = 650 amps V = IR 15 amps X 225 Ω = 3375 volts R = V/I 2400 v/250 amps = 9.6 Ω
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Questions, Answers, and Explanations
EOC Review Questions, Answers, and Explanations
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Question 1 – DOK 1
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Question 2 – DOK 2
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Question 3 – DOK 3
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Question 4 – DOK 2 To solve: Divide 1,392 by 464 to find out how many half-lives have passed. That equals 3. After 3 half-lives, 12.5% of the material would remain 256 x 12.5 = 32
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Question 5 – DOK 2
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Question 6 – DOK 2
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Question 7 – DOK 3
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Question 8 – DOK 2
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Question 9 – DOK 2
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Question 10 – DOK 2
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Question 11 – DOK 3
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Question 12 – DOK 2
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Question 13 – DOK 3
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Question 14 – DOK 2
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Question 15 – DOK 2
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Question 16, DOK 2
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Question 17 – DOK 3
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Question 18 – DOK 2
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Question 19 – DOK 2
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Question 20 – DOK 3
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Question 21 – DOK 2
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Question 22 – DOK 2
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Question 23 – DOK 2
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