For the given problems below, determine which law to use to solve each problem, choose the appropriate formula to use, and give your answer. 1) Crankshafts on Cars. Find the measure of 20. (a) The Law of (b) Formula: (c) Answer: (a) The Law of 2) During a figure skating routine, Mary and Paul skate apart with an angle of 20 between them. Mary skates for 5 meters and Paul skates for 7 meters. How far apart are the skaters? (b) Formula: (c) Answer: = 15 9 in #51 :: Cosine :: Sine (5)²+(7)²2 (5) (7) cos(20") 14 39° cos O = #2 = ::2.9 meters ((3)²+(15)²-(9)²) (2x3x15) sin (20) = sin X (3)²+(9)²2 (3) (9) cos(15") sin (15) :: 2.5 meters :: 12 meters :: 14 meters = sin O 9

For the given problems below, determine which law to use to solve each problem, choose the appropriate formula to use, and give your answer. 1) Crankshafts on Cars. Find the measure of 20. (a) The Law of (b) Formula: (c) Answer: (a) The Law of 2) During a figure skating routine, Mary and Paul skate apart with an angle of 20 between them. Mary skates for 5 meters and Paul skates for 7 meters. How far apart are the skaters? (b) Formula: (c) Answer: = 15 9 in #51 :: Cosine :: Sine (5)²+(7)²2 (5) (7) cos(20") 14 39° cos O = #2 = ::2.9 meters ((3)²+(15)²-(9)²) (2x3x15) sin (20) = sin X (3)²+(9)²2 (3) (9) cos(15") sin (15) :: 2.5 meters :: 12 meters :: 14 meters = sin O 9

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

For the given problems below, determine which law to use to solve each problem,
choose the appropriate formula to use, and give your answer.
1)
Crankshafts on Cars.
Find the measure of 20.
(a) The Law of
(b) Formula:
(c) Answer:
0 15
2) During a figure skating routine, Mary and Paul skate apart with an
angle of 20° between them. Mary skates for 5 meters and Paul
skates for 7 meters. How far apart are the skaters?
(a) The Law of
(b) Formula:
(c) Answer:
## =
9 in.
:: 51°
:: Cosine :: Sine
(5)² + (7)²2 (5) (7) cos(20")
14° :: 391
cos 0 =
# x =
:: 2.9 meters
((3)²+(15)²-(9)²)
(2x3x15)
(3)²+(9)²2 (3) (9) cos(15")
sin (20)
⠀⠀
:: 2,5 meters :: 12 meters
sin X
5
sin (15)
:: 14 meters
sin O
9

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