Directions (122): For each statement or question, write on your separate answer sheetr'sean-tron the number of the word or expression that, of those given, hest completes the statement or answers the question. Some questions may require the use of the Physics Reference Tables. 1) The length of a football eld is closest to (1)10m (3)102m (2} 10' m (4) 10' m 2) What is the approximate height of a classroom doorway? (1)2.0 x10'1m (3)2.0x10m (2) 2.0 x10"m (4) 2.0 x 10I m 3) Which of the following is 1101 a fundamental unit? (1) second (3) kelvin (2) meter (4) gram 4) Which quantity and unit are correctly paired? (1) mass joule (2) force newton (3) temperature mole (4) time hertz 5) Which quantity is the largest? (1) 1 gigabyte (3) 10 megabytes (2) 0.1 terabytes (4) 100000 nanobytes 6) The diagram below represents a 155-newton box on a ramp. Applied force F causes the box to slide from point A to point B. Using the laws of trigonometry, determine the angle at which the ramp makes with the horizontal. (1)18.7 (3) 713 (2) 113 (4) 19.9 7) Using a protractor, measure the angle that the light ray makes with the normal line in air in the below diagram. Normal I I Light I ray 1 | | I I Air Air (1) 40 (3) 130 (2) 50 (4) 140 Base your answers to questions 8 8r. 9 on the below diagram and your understanding of trigonometry. 8) Achild ying a kite lets out 84.7 meters of string. The string makes an angle of 38.4 with the ground, as shown in the below diagram. What is the vertical height of the kite above the ground? (1) 66.4 m (2) 90.0 m (3) 52.6 m (4) 23.0 m 9) What is the horizontal distance from the child to the point directly below the kite? (l) 66. 4m (3) 52.6m (2) 4,407.3 m (4) 23.0 m 10} A student measures the length of a half-mile track to be 811.6 meters, 811.7 meters, 811.5 meters, and 811.6 meters. If the accepted value for the path length is 804.5 meters, the student's measurements are (1) precise, only (3) both precise and accurate (2) accurate, only (4) neither precise nor accurate 11) Which length contains 2 signicant figures? (1) 920,000,000 m (3) 0.101 m (2) 720.00 m (4) 0.650 m 12) To what number of signicant gures is a measurement of 12,000.0100 meters expressed? (1) 3 (3) 7 (2) 9 (4) 5 13) A radar signal traveling at 3.00 x 10 3 meters per second is sent from Earth to the surface of the planet Mars and is received back on Earth in 750. seconds. What was the distance between Earth and Mars during this signal transfer? (1)2.25x10"m (3)2x10"m (2) 1.13 x 10"m (4)1 x10"m