pp05 - PHYSICS: A World View Thursday, 27 January READ Ch 3...

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Unformatted text preview: PHYSICS: A World View Thursday, 27 January READ Ch 3 (pp 34-41); PS 3: 1 PRAC Ch 2: Q 33, 45, 51; E 23; P 29 HW #5 Ch 2: Q 40, 52; E 20, 22 Tu 1 Feb LAB Lab #3 Free Fall Pre = 1-5 Have you signed onto the PHYS 103 WebCT course? 1 2 31% 69% 1. Yes 2. No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 In 1999 the worlds -mile record for top fuel dragsters was 4.48 s from a standing start. The dragster was traveling 326.44 mph at the end of the mile. What was the dragsters average acceleration? What was the dragsters average speed in units of miles per second? What was the dragsters average speed in miles per hour? In-Class Activity Average acceleration v a t = 326.44 mph - 0 4.48 s = 72.9 mph/s = In-Class Activity Average speed x v t = 0.25 mile 4.48 s = 0.0558 miles/s = 3600 s 1 h 201 mph = Review a v Are you going up or down? Are you speeding up or slowing down? What will your velocity be in 1 second? Review a v Are you going up or down? Are you speeding up or slowing down? What will your velocity be in 1 second? t=0 Review a v Are you going up or down? Are you speeding up or slowing down? What will your velocity be in 1 second? t=1 Review a v Are you going up or down? Are you speeding up or slowing down? What will your velocity be in 1 second? t=2 Review a v Are you going up or down? Are you speeding up or slowing down? What will your velocity be in 1 second?...
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pp05 - PHYSICS: A World View Thursday, 27 January READ Ch 3...

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