Peoples Physics Book Version-3

(Marvins-Underground-K-12) #1

1.1. The Big Idea http://www.ck12.org



  1. 87.5 mi/hr

  2. c. if the person weighs 150 lb. this is equivalent to 668 N

  3. Pascals (Pa), which equals N/m^2

  4. 168 lb., 76.2 kg

  5. 5 mi/hr/s

  6. 15.13 m

  7. 11.85 m

  8. 89,300 mm

  9. f. 2025 mm^2

  10. b. 196 cm^2

  11. c. 250 cm^3

  12. 8:1, each side goes up by 2 cm, so it will change by 2^3



    1. 5 × 1051 : 1



  13. 72,000 km/h

  14. 0.75 kg/s

  15. 8× 2 Ncm^3 /sec;Nis for each second starting with 0 seconds for 8 cm^3

  16. About 12 million

  17. About 1^12 trillion( 1. 5 × 1012 )
    20.[a] =N/kg=m/s^2
    21..

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