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PHYSICS 1L03 Lecture Notes - Scientific Notation

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scarletturtle753
25 Jan 2014
School
McMaster University
Department
Physics
Course
PHYSICS 1L03
Professor
Reza Nejat

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Document Summary

A rectangular strip is measured as 32. 30 m by 210 m. find the area of the strip to the correct number of significant figures. The ride is an ancient greek unit of length, as are the stadium and the plethron. 1 mi : 7. 9 x 10 4 km/s, 1. 2 x 10 3 km/s, 4. 7 x 10 3 km/s, 4. 7 x 10 2 km/s, 1. 7 x 10 1 km/s. 1. 61 km: 1. 1 m/s, 2. 9 m/s, 29 m/s, 1. 0x102 m/s, 1. 4x102 m/s, a soccer field is 115 m long and 85 m wide. Assume the sand is 4. 2 m deep and the diameter of one grain of sand is 1. 20 mm: 1012, 1014, 1016, 1018, 1020, the sun with a mass of 1. 99x1030 kg is composed mostly of hydrogen. The hydrogen atom has a mass of 1. 67 x 10 24 g. estimate the number of hydrogen atoms in the sun: 106, 109, 1030, 1054, 1057, in the equation tvcx.

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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Related Questions

1. What is the difference between speed and velocity?
a. Speed is an average quantity while velocity is not.
b. Velocity contains information about the direction of motion while speed does not.
c. Speed is measured in mph, while velocity is measure in m/s.
d. The concept of speed applies only to objects that are neither. speeding up or slowing down, while velocity applies to every kind of motion.
e. Speed is used to measure how fast an object is moving in a straight line, while velocity is used for objects moving along curved paths.
2. The quantity 2.67 x 103 has how many significant figures?
a.1
b.2
c.3
d.4
e.5
3. If Libby walks 100 m to the right, then 200 m to the left, her net displacement vector points
a. to the right.
b. to the left.
c. has zero length.
d. cannot tell without more information.
4. Velocity vectors point
a. in the same direction as displacement vectors.
b. in the opposite direction as displacement vectors.
c. perpendicular to displacement vectors.
d. in the same direction as acceleration vectors.
e. velocity is not represented by a vector.