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Science
Physics
What should be the value of a, in units of N, so the the two forces are perpendicular? a = ||
What should be the value of a, in units of N, so the the two forces are perpendicular? a = ||
BUY
College Physics
11th Edition
ISBN:
9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
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1 Units, Trigonometry. And Vectors
2 Motion In One Dimension
3 Motion In Two Dimensions
4 Newton's Laws Of Motion
5 Energy
6 Momentum, Impulse, And Collisions
7 Rotational Motion And Gravitation
8 Rotational Equilibrium And Dynamics
9 Fluids And Solids
10 Thermal Physics
11 Energy In Thermal Processes
12 The Laws Of Thermodynamics
13 Vibrations And Waves
14 Sound
15 Electric Forces And Fields
16 Electrical Energy And Capacitance
17 Current And Resistance
18 Direct-Current Circuits
19 Magnetism
20 Induced Voltages And Inductance
21 Alternating-Current Circuits And Electromagnetic Waves
22 Reflection And Refraction Of Light
23 Mirrors And Lenses
24 Wave Optics
25 Optical Instruments
26 Relativity
27 Quantum Physics
28 Atomic Physics
29 Nuclear Physics
30 Nuclear Energy And Elementary Particles
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1.1 Standards Of Length, Mass, And Time
1.2 The Building Blocks Of Matter
1.3 Dimensional Analysis
1.4 Uncertainty In Measurement And Significant Figures
1.5 Unit Conversions For Physical Quantities
1.6 Estimates And Order-of-Magnitude Calculations
1.7 Coordinate Systems
1.8 Trigonometry Review
1.9 Vectors
1.10 Cornoonentsofavector
1.11 Problem-Solving Strategy
Chapter Questions
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Problem 9CQ
Problem 10CQ: List some advantages of the metric system of units over most other systems of units.
Problem 11CQ: Estimate the time duration of each of the following in the suggested units in parentheses: (a) a...
Problem 12CQ: Suppose two quantities, A and B, have different dimensions. Determine which of the following...
Problem 13CQ: Answer each question yes or no. Must two quantities have the same dimensions (a) if you are adding...
Problem 14CQ: Two different measuring devices are used by students to measure the length of a metal rod. Students...
Problem 15CQ: If B is added to A, under what conditions does the resultant vector have a magnitude equal to A + B?...
Problem 16CQ: Under what circumstances would a vector have components that are equal in magnitude?
Problem 1P: The period of a simple pendulum, defined as the time necessary for one complete oscillation, is...
Problem 2P: (a) Suppose the displacement of an object is related to time according to the expression x = Bt2....
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Problem 8P: Use the rules for significant figures to find the answer to the addition problem 21.4 + 15 + 17.17 +...
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Problem 11P: How many significant figures are there in (a) 78.9 0.2, (b) 3.788 109, (c) 2.46 1026, (d) 0.003 2
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Problem 14P: The radius of a circle is measured to be (10.5 0.2) m. Calculate (a) the area and (b) the...
Problem 15P: The edges of a shoebox are measured to be 11.4 cm, 17.8 cm, and 29 cm. Determine the volume of the...
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Problem 18P: A house is advertised as having 1 420 square feet under roof. What is the area of this house in...
Problem 19P: A fathom is a unit of length, usually reserved for measuring the depth of water. A fathom is...
Problem 20P: A small turtle moves at a speed of 186 furlongs per fortnight. Find the speed of the turtle in...
Problem 21P: A firkin is an old British unit of volume equal to 9 gallons. How many cubic meters are there in...
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Problem 26P: Suppose your hair grows at the rate of 1/32 inch per day. Find the rate at which it grows in...
Problem 27P: The speed of light is about 3.00 108 m/s. Convert this figure to miles per hour.
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Problem 29P: The amount of water in reservoirs is often measured in acre-ft. One acre-ft is a volume that covers...
Problem 30P: The base of a pyramid covers an area of 13.0 acres (1 acre = 43 560 ft2) and has a height of 481 ft...
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Problem 32P: Estimate the number of steps you would have to take to walk a distance equal to the circumference of...
Problem 33P: Estimate the number of breaths taken by a human being during an average lifetime.
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Problem 35P: The habitable part of Earths surface has been estimated to cover 60 trillion square meters. Estimate...
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Problem 42P: Two points in a rectangular coordinate system have the coordinates (5.0, 3.0) and (3.0, 4.0), where...
Problem 43P: Two points are given in polar coordinates by (r, ) = (2.00 m, 50.0) and (r, ) = (5.00 m, 50.0),...
Problem 44P: Given points (r1, 1) and (r2, 2) in polar coordinates, obtain a general formula for the distance...
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Problem 57P: Vector A is 3.00 units in length and points along the positive x-axis. Vector B is 4.00 units in...
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Problem 66P: A quarterback takes the ball from the line of scrimmage, runs backwards for 10.0 yards, and then...
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Problem 68P: A map suggests that Atlanta is 730. miles in a direction 5.00 north of east from Dallas. The same...
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Transcribed Image Text:
A What should be the value of a, in units of N, so the the two forces are perpendicular? a = sin() cotan() cos() tan() IT 7 8. 9. asin() acos() E N 4 atan() acotan() sinh() 1 tanh() cosh() O Degrees cotanh() 0. Radians VO BACKSPACE DEL 63
Transcribed Image Text:
Consider the two force vectors D = (2.87 N)i + (-4.35 N)j + (1.93 N)k and F = (2.3 N)i + (4.18 N)j + ak.
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