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Formula Quiz Answers & Solutions.

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Presentation on theme: "Formula Quiz Answers & Solutions."— Presentation transcript:

1 Formula Quiz Answers & Solutions

2 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

3 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

4 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

5 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

6 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

7 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

8 Questions, Answers, and Explanations
EOC Review Questions, Answers, and Explanations

9 Question 1 – DOK 1

10 Question 2 – DOK 2

11 Question 3 – DOK 3

12 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

13 Question 5 – DOK 2

14 Question 6 – DOK 2

15 Question 7 – DOK 3

16 Question 8 – DOK 2

17 Question 9 – DOK 2

18 Question 10 – DOK 2

19 Question 11 – DOK 3

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22 Question 12 – DOK 2

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24 Question 13 – DOK 3

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26 Question 14 – DOK 2

27 Question 15 – DOK 2

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30 Question 16, DOK 2

31 Question 17 – DOK 3

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36 Question 18 – DOK 2

37 Question 19 – DOK 2

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39 Question 20 – DOK 3

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42 Question 21 – DOK 2

43 Question 22 – DOK 2

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46 Question 23 – DOK 2


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