College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
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Chapter 1, Problem 28P
A beating heart. How many times does a human heart beat during a lifetime? How many gallons of blood does it pump in that time if, on the average. It pumps 50 cm3 of blood with each beat?
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Chapter 1 Solutions
College Physics (10th Edition)
Ch. 1 - A guidebook describes the rate of climb of a...Ch. 1 - Suppose you are asked to compute the cosine of 3...Ch. 1 - Which of the following is a reasonable height for...Ch. 1 - Which of the following is a reasonable age for an...Ch. 1 - Which of the following is a reasonable mass for an...Ch. 1 - Atomic quantities are now used to define the...Ch. 1 - Suppose you ask your lab partner to look up the...Ch. 1 - (a) The mass m of an object is proportional to its...Ch. 1 - Based only on consistency of units, which of the...Ch. 1 - Based only on consistency of units, which of the...
Ch. 1 - (a) In adding scalars, is 1 m + 1 n necessarily...Ch. 1 - Is it possible for the magnitude of a vector (a)...Ch. 1 - (a) Does it make sense to say that a vector is...Ch. 1 - The three vectors A, B, and C are shown in Figure...Ch. 1 - A world-class term s player can serve a tennis...Ch. 1 - Suppose that bacon is sold for 2 per pound. If you...Ch. 1 - A vector is directed at an angle above the +x...Ch. 1 - A mass of 1.0 103 kg is the same as A. 1012 g. B....Ch. 1 - If the vector B has a magnitude of 25 m and makes...Ch. 1 - If vector A has components Ax and Ay and makes an...Ch. 1 - If the distance d (in meters) traveled by an...Ch. 1 - The speed of a sound wave traveling in a medium...Ch. 1 - If vector A has unity magnitude and makes an angle...Ch. 1 - If vector A has components Ax = 3 and Ay = 4, then...Ch. 1 - (a) How many ohms are there in a 7.85 megohm...Ch. 1 - (a) The recommended daily allowance (RDA) of the...Ch. 1 - (a) Starting with the definition 1.00 ln. = 2.54...Ch. 1 - (a) The density (mass divided by volume) of water...Ch. 1 - Calculate the earths speed in its orbit around the...Ch. 1 - How many nanoseconds does it take light to travel...Ch. 1 - Gasoline mileage. You are considering buying a...Ch. 1 - While driving in an exotic foreign land, you see a...Ch. 1 - Filler up! you fill up your gas tank in Europe...Ch. 1 - Bacteria. Bacteria vary somewhat In size, but a...Ch. 1 - Compute the number of seconds in (a) an hour, (b)...Ch. 1 - Some commonly occurring quantities. All of the...Ch. 1 - Express each of the following numbers to three,...Ch. 1 - Express each of the following approximations of ...Ch. 1 - Blood is thicker than water. The density (mass...Ch. 1 - White dwarfs and neutron stars. Recall that...Ch. 1 - Atoms and nuclei. The atom helium (He) consists of...Ch. 1 - The density of aluminum is 2.7 g/cm3. What Is the...Ch. 1 - Cell walls. Although these quantities vary from...Ch. 1 - A brass washer has an outside diameter of 4.50 cm...Ch. 1 - Estimate the total mass of all the humans...Ch. 1 - A stack of printer paper is 2 inches thick and...Ch. 1 - How many cells in the body? Although their sizes...Ch. 1 - How many times does a typical person blink her...Ch. 1 - You are using water to dilute small amounts of...Ch. 1 - How many dollar bills would you have to stack to...Ch. 1 - Space station. You are designing a space station...Ch. 1 - A beating heart. How many times does a human heart...Ch. 1 - How long would it take you to walk to the moon,...Ch. 1 - Estimate the value of your weight in gold. What...Ch. 1 - On a single diagram, carefully sketch each force...Ch. 1 - Hearing rattles from a snake, you make two rapid...Ch. 1 - A ladybug starts at the center of a 12-in...Ch. 1 - For the vectors A and B shown in Figure 1.24,...Ch. 1 - Consider the force vectors A and B shown in Figure...Ch. 1 - A rocket fires two engines simultaneously. One...Ch. 1 - In each of the cases that follow, the magnitude of...Ch. 1 - In each of the cases that follow, the components...Ch. 1 - A woman takes her dog Rover for a walk on a leash....Ch. 1 - If a vector A has the following components, use...Ch. 1 - Compute the x and y components of the vectors...Ch. 1 - Vector A has components Ax = 1 30 cm, Ay = 2.25...Ch. 1 - A plane leaves Seattle, flies 85 mi at 22 north of...Ch. 1 - Vector A has a magnitude of 20 m arc makes an...Ch. 1 - Three horizontal ropes are attached to a boulder...Ch. 1 - A disoriented physics professor drives 3.25 km...Ch. 1 - A postal employee drives a delivery truck along...Ch. 1 - Baseball mass. Basebal rules specify that a...Ch. 1 - Velocity vector A has components Ax = 3 m/s and Ay...Ch. 1 - How much blood In a heartbeat? A Typical human...Ch. 1 - Muscle attachment. When muscles attach to cones,...Ch. 1 - A woman starts from her house and begins jogging...Ch. 1 - While surveying a cave, a spelunker follows a...Ch. 1 - A sailor in a small sailboat encounters shifting...Ch. 1 - Dislocated shoulder. A patient with a dislocated...Ch. 1 - On a training flight, a student pilot flies from...Ch. 1 - Calculating Lung Volume in Humans. In human lungs,...Ch. 1 - Assuming that alveoli are spherical, what is the...Ch. 1 - Individuals vary considerably in total lung...
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- 1.62 On a training flight, a Figure P1.62 student pilot flies from Lincoln, Nebraska, to Clarinda, Iowa, next to St. Joseph, Missouri, and then to Manhattan, Kansas (Fig. P1.62). The directions are shown relative to north: 0° is north, 90° is east, 180° is south, and 270° is west. Use the method of components to find (a) the distance she has to fly from Manhattan to get back to Lincoln, and (b) the direction (relative to north) she must fly to get there. Illustrate your solutions with a vector diagram. IOWA 147 km Lincoln 85° Clarinda 106 km 167° St. Joseph NEBRASKA Manhattan 166 km 235° S KANSAS MISSOURIarrow_forwardPlz no chatgpt pls will upvotearrow_forward3.19 • Win the Prize. In a carnival booth, you can win a stuffed gi- raffe if you toss a quarter into a small dish. The dish is on a shelf above the point where the quarter leaves your hand and is a horizontal dis- tance of 2.1 m from this point (Fig. E3.19). If you toss the coin with a velocity of 6.4 m/s at an angle of 60° above the horizontal, the coin will land in the dish. Ignore air resistance. (a) What is the height of the shelf above the point where the quarter leaves your hand? (b) What is the vertical component of the velocity of the quarter just before it lands in the dish? Figure E3.19 6.4 m/s 2.1arrow_forward
- Can someone help me answer this thank you.arrow_forward1.21 A postal employee drives a delivery truck along the route shown in Fig. E1.21. Determine the magnitude and direction of the resultant displacement by drawing a scale diagram. (See also Exercise 1.28 for a different approach.) Figure E1.21 START 2.6 km 4.0 km 3.1 km STOParrow_forwardhelp because i am so lost and it should look something like the picturearrow_forward
- 3.31 A Ferris wheel with radius Figure E3.31 14.0 m is turning about a horizontal axis through its center (Fig. E3.31). The linear speed of a passenger on the rim is constant and equal to 6.00 m/s. What are the magnitude and direction of the passenger's acceleration as she passes through (a) the lowest point in her circular motion and (b) the high- est point in her circular motion? (c) How much time does it take the Ferris wheel to make one revolution?arrow_forward1.56 ⚫. Three horizontal ropes pull on a large stone stuck in the ground, producing the vector forces A, B, and C shown in Fig. P1.56. Find the magnitude and direction of a fourth force on the stone that will make the vector sum of the four forces zero. Figure P1.56 B(80.0 N) 30.0 A (100.0 N) 53.0° C (40.0 N) 30.0°arrow_forward1.39 Given two vectors A = -2.00 +3.00 +4.00 and B=3.00 +1.00 -3.00k. (a) find the magnitude of each vector; (b) use unit vectors to write an expression for the vector difference A - B; and (c) find the magnitude of the vector difference A - B. Is this the same as the magnitude of B - Ä? Explain.arrow_forward
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