Physics
7th Edition
ISBN: 9780321929013
Author: Douglas C. Giancoli
Publisher: PEARSON
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Chapter 1, Problem 52GP
To determine
The accuracy of the clock.
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Passage Problems
Laptop computers are equipped with accelerometers that sense when
the device is dropped and then put the hard drive into a protective mode.
Your computer geek friend has written a program that reads the accel-
erometer and calculates the laptop's apparent weight. You're amusing
yourself with this program on a long plane flight. Your laptop weighs
just 5 pounds, and for a long time that's what the program reports. But
then the "Fasten Seatbelt" light comes on as the plane encounters turbu-
lence. Figure 4.27 shows the readings for the laptop's apparent weight
over a 12-second interval that includes the start of the turbulence.
76. At the first sign of turbulence,
the plane's acceleration
a. is upward.
b. is downward.
c. is impossible to tell from
the graph.
77. The plane's vertical ac-
celeration has its greatest
magnitude
a. during interval B.
b. during interval C.
c. during interval D.
78. During interval C, you can
conclude for certain that the
plane is
Apparent…
If the metal sphere on the Van de Graff has a charge of 0.14 Coulombs and the person has a mass of 62 kg, how much excess charge would the person need in order to levitate at a distance 25 cm from the center of the charged metal sphere? Assume you can treat both the person and the metal sphere as point charges a distance 25 cm from each other
If the metal sphere on the Van de Graff has a charge of 0.14 Coulombs and the person has a mass of 62 kg, how much excess charge would the person need in order to levitate at a distance 25 cm from the center of the charged metal sphere? Assume you can treat both the person and the metal sphere as point charges a distance 25 cm from each other (so that you can use Coulomb's Law to calculate the electrical force).
Chapter 1 Solutions
Physics
Ch. 1 - Prob. 1OQCh. 1 - Prob. 2OQCh. 1 - What are the merits and drawbacks of using a...Ch. 1 - What is wrong with this road sign: Memphis 7 mi(11...Ch. 1 - Why is it incorrect to think that the more digits...Ch. 1 - For an answer to be complete, the units need to be...Ch. 1 - 5. You measure the radius of a wheel to be 4.16...Ch. 1 - Express the sine of 30.0° with the correct number...Ch. 1 - List assumptions useful to estimate the numbers of...Ch. 1 - A student’s weight displayed on a digital scale is...
Ch. 1 - Four students use different to measure the Length...Ch. 1 - Prob. 3MCQCh. 1 - How many significant figures does 1.862 + 25.2...Ch. 1 - Prob. 5MCQCh. 1 - To convert from ft2 to yd2, you should multiply by...Ch. 1 - Prob. 7MCQCh. 1 - (L2) represents the dimensions for which of the...Ch. 1 - How many significant figures do each of the...Ch. 1 - Write the following numbers in powers of 10...Ch. 1 - Write out the following numbers in full with the...Ch. 1 - The age of the universe is thought to be about 14...Ch. 1 - What is the percent uncertainly in the measurement...Ch. 1 - 6.(II) Time intervals measured with a stopwatch...Ch. 1 - Prob. 7PCh. 1 - Multiply 3.079102 m by 0.068 10-1m, taking into...Ch. 1 - What, approximately, is the percent uncertainty...Ch. 1 - What, roughly, is the percent uncertainty in the...Ch. 1 - Prob. 11PCh. 1 - Write the following as full (decimal) numbers...Ch. 1 - Express the following using the prefixes of Table...Ch. 1 - Prob. 14PCh. 1 - Prob. 15PCh. 1 - Prob. 16PCh. 1 - Prob. 17PCh. 1 - Prob. 18PCh. 1 - A light-year is the distance light travels in one...Ch. 1 - How much longer (percentage) is a one-mile race...Ch. 1 - Prob. 21PCh. 1 - (a) How many seconds are there in 1.00 year? (b)...Ch. 1 - Use Table 1-3 to estimate the total number of...Ch. 1 - A standard baseball has a circumference of...Ch. 1 - Prob. 25PCh. 1 - Estimate how many books can be shelved in a...Ch. 1 - Estimate how many hours it would take to run (at...Ch. 1 - Estimate the number of liters of water a human...Ch. 1 - Prob. 29PCh. 1 - Estimate the number of gallons of gasoline...Ch. 1 - Prob. 31PCh. 1 - Prob. 32PCh. 1 - Prob. 33PCh. 1 - Prob. 34PCh. 1 - Prob. 35PCh. 1 - What are the dimensions of density, which is mass...Ch. 1 - (II) The speed v of an object is given by the...Ch. 1 - Prob. 38PCh. 1 - Prob. 39PCh. 1 - Prob. 40GPCh. 1 - Prob. 41GPCh. 1 - Prob. 42GPCh. 1 - Prob. 43GPCh. 1 - Prob. 44GPCh. 1 - Prob. 45GPCh. 1 - Prob. 46GPCh. 1 - A Certain compact disc (CD) contains 783.216...Ch. 1 - Prob. 48GPCh. 1 - A storm dumps 1.0 cm of rain on a city 6 km wide...Ch. 1 - Prob. 50GPCh. 1 - Prob. 51GPCh. 1 - Prob. 52GPCh. 1 - Prob. 53GPCh. 1 - Prob. 54GPCh. 1 - Prob. 55GPCh. 1 - Prob. 56GPCh. 1 - Prob. 57GPCh. 1 - Prob. 58GPCh. 1 - Prob. 59GPCh. 1 - Prob. 60GPCh. 1 - Prob. 61GP
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