EP PHYSICS -MOD.MASTERING (18W)
5th Edition
ISBN: 9780136782490
Author: Walker
Publisher: PEARSON CO
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Textbook Question
Chapter 1, Problem 49GP
Predict/Calcuiate A Porsche sports car can accefereie at 14 m/s2. (a) is this acceleration greater than, less than, or equal to 14 ft/s2? Explain. (b) Determine the acceleration of a Porsche in ft/s2.
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The drawing shows an edge-on view of two planar surfaces that intersect and are mutually perpendicular. Surface (1) has
an area of 1.90 m², while surface (2) has an area of 3.90 m². The electric field in the drawing is uniform and has a
magnitude of 215 N/C. Find the magnitude of the electric flux through surface (1 and 2 combined) if the angle 8 made
between the electric field with surface (2) is 30.0°.
Solve in Nm²/C
1
Ө
Surface 2
Surface 1
PROBLEM 5
What is the magnitude and direction of the resultant
force acting on the connection support shown here?
F₁ = 700 lbs
F2 = 250 lbs
70°
60°
F3 = 700 lbs
45°
F4 = 300 lbs
40°
Fs = 800 lbs
18°
Free Body Diagram
F₁ = 700 lbs
70°
250 lbs
60°
F3=
= 700 lbs
45°
F₁ = 300 lbs
40°
=
Fs 800 lbs
18°
PROBLEM 3
Cables A and B are Supporting a 185-lb wooden crate.
What is the magnitude of the tension force in each
cable?
A
20°
35°
185 lbs
Chapter 1 Solutions
EP PHYSICS -MOD.MASTERING (18W)
Ch. 1.1 - The laws of physics apply to which of the...Ch. 1.2 - Rank the following lengths (A, B, C, and D) in...Ch. 1.3 - Give the dimensions of each of the following...Ch. 1.4 - Rank the following numbers in order of increasing...Ch. 1.5 - To convert a length of 6 ft to its equivalent in...Ch. 1.6 - Give an order-of-magnitude estimate for the speed...Ch. 1.7 - (a) Can two cars have the same speed but different...Ch. 1 - Can dimensional analysis determine whether the...Ch. 1 - If a distance d has units of meters, and a time T...Ch. 1 - Is it possible for two quantities to (a) have the...
Ch. 1 - The frequency of a pendulum is the number of...Ch. 1 - Albert runs 34 m to the right in 10 s. Isaac runs...Ch. 1 - Give an order-of-magnitude estimate for the time...Ch. 1 - Give an order-of-magnitude estimate for the length...Ch. 1 - The Hunger Games The movie The Hunger Games...Ch. 1 - BIO The Thickness of Hair A human hair has a...Ch. 1 - The speed of light in a vacuum is approximately...Ch. 1 - A Fast Computer IBM has a computer it calls the...Ch. 1 - Which of the following equations are dimensionally...Ch. 1 - Which of the following quantities have the...Ch. 1 - Which of the following quantities have the...Ch. 1 - Which of the following quantities have the...Ch. 1 - Velocity is related to acceleration and distance...Ch. 1 - Acceleration is related to distance and time by...Ch. 1 - The time t required for an object to fall from...Ch. 1 - Newtons second law (to be discussed in Chapter 5)...Ch. 1 - The time T required for one complete oscillation...Ch. 1 - The speed of light to five significant figures is...Ch. 1 - A parking lot is 124.3 m long and 41.06 m wide....Ch. 1 - On a fishing trip you catch a 2.77-lb bass, a...Ch. 1 - How many significant figures are there in (a)...Ch. 1 - What is the area of a circle of radius (a) 11.37 m...Ch. 1 - The first several digits of , the ratio of the...Ch. 1 - Rank the following speeds in order of increasing...Ch. 1 - The Ark of the Covenant is described as a chest of...Ch. 1 - A car drives on a highway with a speed of 68 mi/h....Ch. 1 - Angel Falls Water going over Angel Falls, in...Ch. 1 - An electronic advertising sign repeats a message...Ch. 1 - BIO Blue Whales The blue whale (Balaenoptera...Ch. 1 - The Star of Africa The Star of Africa, a diamond...Ch. 1 - BIO Woodpecker Impact When red-headed woodpeckers...Ch. 1 - Predict/Calculate Many highways have a speed limit...Ch. 1 - BIO Mantis Shrimp Peacock mantis shrimps...Ch. 1 - A Jiffy The American physical chemist Gilbert...Ch. 1 - The Mutchkin and the Noggin (a) A mutchkin is a...Ch. 1 - Suppose 1.0 cubic meter of oil is spilled into the...Ch. 1 - The acceleration of gravity is approximately 9.81...Ch. 1 - BIO Squid Nerve Impulses Nerve impulses in giant...Ch. 1 - Give a ballpark estimate of the number of seats in...Ch. 1 - Estimate the speed at which your hair grows. Give...Ch. 1 - Milk is often sold by the gallon in plastic...Ch. 1 - New York is roughly 3000 miles from Seattle. When...Ch. 1 - Which of the following equations are dimensionally...Ch. 1 - Which of the following quantities have the...Ch. 1 - Prob. 41GPCh. 1 - Glacial Speed On June 9, 1983, the lower part of...Ch. 1 - One liter of pure gold weighs 42.5 lb. If you...Ch. 1 - What is the speed in miles per second or a beam or...Ch. 1 - BIO Rattlesnake Frequency A timber rattlesnake...Ch. 1 - BIO A single human red blood cell has a mass of...Ch. 1 - BIO Com Growth Sweet corn plants can grow 4.1 cm...Ch. 1 - BIO Mosquito Courtship Male mosquitoes in the mood...Ch. 1 - Predict/Calcuiate A Porsche sports car can...Ch. 1 - A Speeding Bullet The fastest commercially...Ch. 1 - BIO Human Nerve Fibers Type A nerve fibers in...Ch. 1 - Bio Brain Growth The mass of a newborn baby's...Ch. 1 - The Huygens Probe MASAs Cassini mission to Saturn...Ch. 1 - BIO Spin-Dry Dragonflies Some dragonflies are...Ch. 1 - Acceleration is related to velocity and time by...Ch. 1 - The period T of a simple pendulum is the amount of...Ch. 1 - Driving along a crowded freeway, you notice that...Ch. 1 - Prob. 58PPCh. 1 - Prob. 59PPCh. 1 - Prob. 60PPCh. 1 - Prob. 61PP
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