advertisement

Physics Test Chapter 1 & 2 _______________ Name 1) How many significant figures are in each of the following? (6) _____a. 10.43 _____b. 2.4010 _____c. 0.02 _____d. 3.786 _____e. 3.20 x 106 _____f. 24.01 2) Write the equivalent. a. 21 km = _______mm (12) b. 20.4 g = _______Kg c. 22 m/hr = _______ km/s d. 80 m/s = _______km/hr e. 120 ml = _______ cm3 f. 21.3 g = _______ mg 3) What is the difference between precision and accuracy? Give an example. (4) 4) What is density? (4) 5) List any 6 of the fundamental units of the metric system. (6) 30 6) Are the following equations dimensionally correct? (yes/no) (6) _____a. distance x time = velocity _____b. volume / length = area _____c. mass / volume = density 7) Simplify using significant figures. (12) _____a. 4.2 + 4.756 + 7.56 _____b. (25)(.600) _____c. (160.0)(223) _____d. 8.51/.257 _____e. 14.3 x 3.71 _____f. 41.2 - 3.182 8) Read the following measurements. a. c. (8) b. d. _______ __ 24 9) Construct a volume vs pressure graph for the following data. Include all labels and the equation of best fit. Pressure (Pa) 10 20 30 40 60 (8) Volume (cm3) 122 58 40 31 19 10) The accepted value for to three places is 3.14. A calculated value was found to be 3.18. Find the absolute and relative error. (4) 11) Solve each equation for x a. xy + 2 = 3z (6) b. v = a + 3x3 c. y 3 4 x 1 __ 18 12. Solve for the missing angles and the missing sides. Show work. (12) A 18 cm <A 12 cm <B C a B a A 32 16 cm 18 cm <B <C a B a C 12 ?