Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
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Chapter 0, Problem 15P
To determine
The units of the expression
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What is the speed of a car going v=1.000 mph in SI units? Notice that you will need to change miles to meters and from hours to seconds. you can do each conversion separately. Use the facts that 1 mile=1609 m and 1 hour= 3600s
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O 1000/3600
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O 3600/1000
O (1/3600)
Suppose you went for a drive along a long, straight road that runs east-west. Let's define east to be the positive x direction.
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Chapter 0 Solutions
Physics Fundamentals
Ch. 0 - Prob. 1PCh. 0 - Prob. 2PCh. 0 - Prob. 3PCh. 0 - Prob. 4PCh. 0 - Prob. 5PCh. 0 - Prob. 6PCh. 0 - Prob. 7PCh. 0 - Prob. 8PCh. 0 - Prob. 9PCh. 0 - Prob. 10P
Ch. 0 - Prob. 11PCh. 0 - Prob. 12PCh. 0 - Prob. 13PCh. 0 - Prob. 14PCh. 0 - Prob. 15PCh. 0 - Prob. 16PCh. 0 - Prob. 17PCh. 0 - Prob. 18PCh. 0 - Prob. 19PCh. 0 - Prob. 20PCh. 0 - Prob. 21PCh. 0 - Prob. 22PCh. 0 - Prob. 23PCh. 0 - Prob. 24PCh. 0 - Prob. 25PCh. 0 - Prob. 26PCh. 0 - Prob. 27PCh. 0 - Prob. 28PCh. 0 - Prob. 29PCh. 0 - Prob. 30PCh. 0 - Prob. 31PCh. 0 - Prob. 32PCh. 0 - Prob. 33PCh. 0 - Prob. 34P
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- A person going for a walk follows the path shown in Figure P1.51. The total trip consists of four straight-line paths. At the end of the walk, what is the persons resultant displacement measured from the starting point? Figure P1.51arrow_forwardCalculate the result for each of the following cases using the correct number of significant figures. a. 3.07670 10.988 b. 1.0093 105 9.98 104 c. 5.44231064.008103arrow_forwardThree displacement vectors of a croquet ball are shown in Figure P1.44, where |A|=20.0units, |B|=40.0units, and |C|=30.0units. Find (a) the resultant in unit-vector notation and (b) the magnitude and direction of the resultant displacement. Figure P1.44arrow_forward
- In SI units, speeds are measured in meters per second (m/s). But, depending on where you live, you’re probably mole comfortable of thinking of speeds in terms of either kilometers per hour (km/h) or miles per hour (mi/h). In this problem, you will see that 1 m/s is roughly 4 km/h or 2 mi/h, which is handy to use when developing your physical Intuition. More precisely, show that (a) 1.0m/s=3.6km/h and 1.0m/s=2.2mi/h .arrow_forwardA surveyor measures the distance across a straight river by the following method (Fig. P1.6). Starting directly across from a tree on the opposite bank, she walks d = 100 m along the riverbank to establish a baseline. Then she sights across to the tree. The angle from her baseline to the tree is 0 = 35.0. How wide is the river? Figure P1.6arrow_forwardOne student uses a meterstick to measure the thickness of a textbook and obtains 4.3 cm 0.1 cm. Other students measure the thickness with vernier calipers and obtain four different measurements: (a) 4.32 cm 0.01 cm. (b) 4.31 cm 0.01 cm, (c) 4.24 cm 0.01 cm, and (d) 4.43 cm 0.01 cm. Which of these four measurements, if any, agree with that obtained by the first student?arrow_forward
- For a given speed limit, would the numerical value be greater in mi/h or in km/h?arrow_forwardA surveyor measures the distance across a straight river by the following method: starting directly across from a tree on the opposite bank, he walks x = 1.00 102 m along the riverbank to establish a baseline. Then he sights across to the tree. The angle from his baseline lo the tree is = 35.0 (Fig. P1.53). How wide is the river? Figure P1.53arrow_forwardPerform the following arithmetic operations, keeping the correct number of significant figures in your answer. a. The product 56.2 0.154 b. The sum 9.8 + 43.4 + 124 c. The quotient 81.340/arrow_forward
- In Figure P1.49, find (a) the side opposite , (b) the side adjacent to . (c) cos , (d) sin , and (c) tan . Figure P1.49arrow_forwardA large tank is filled to capacity with 300 gallons of pure water. Brine containing 4 pounds of salt per gallon is pumped into the tank at a rate of 3 gal/min. The well-mixed solution is pumped out at a rate of 6 gals/min. Find the number A(t) of pounds of salt in the tank at time t. A(t) = 30t0.3t² lb X How long (in minutes) will it take for the tank to be empty after this process has started? 100 minarrow_forwardIn addition to 1 m = 39.37 in., the following exact conversion equivalents are given: 1 mile = 5280 ft, 1 ft = 12 in, 1 hour= 60 min and 1 min = 60 s If a narticle has a velocity of 8.4 miles per hour, its velocity, in m/s, is closest to O 3.4 m/s O 3.0 m/s O 4.1 m/s. O 4.5 m/s O 3.8 m/s. Submit Request Answerarrow_forward
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