Solve what are asked for in the following problems. Show complete solutions by showing the following: a) FBD with complete label used in solving the problem including the substitution of data in the formula c) magnitude of answer rounded off to 2 decimal places or to the nearest hundredths b) Derived formula to be SA2) Baldo and Bruno reached the top of a hill 30.0 m high when they went on hiking. If Baldo is 90 kg and Bruno is 45 kg, a) who did more work and why? b) If Bruno reached the top in 60 minutes and Baldo did it in 2 hours, who has more power and why?

Solve what are asked for in the following problems. Show complete solutions by showing the following: a) FBD with complete label used in solving the problem including the substitution of data in the formula c) magnitude of answer rounded off to 2 decimal places or to the nearest hundredths b) Derived formula to be SA2) Baldo and Bruno reached the top of a hill 30.0 m high when they went on hiking. If Baldo is 90 kg and Bruno is 45 kg, a) who did more work and why? b) If Bruno reached the top in 60 minutes and Baldo did it in 2 hours, who has more power and why?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter1: A Physics Toolkit

Section: Chapter Questions

Problem 3STP

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Similar questions

Soccer fields vary in size. A large soccer field is 115 long and 85 m wide. What are its dimension in feet and inches? (Assume that 1 meter equals 3.281 feet.)
How many significant figures does each number have? If the number is exact or if the number of significant figures is ambiguous, explain. a. 12 in the formula r12d, where r is radius and d is diameter b. 105 c. 150 d. 1.50 102 e. 1.5 102 f. 0.15 103
Mount Everest, at 29,028ft , is the tallest mountain on Earth. What is its height in kilometers? (Assume that 1m=3.281ft .)
The following times are given using metric prefixes on the base SI unit of time: the second. Rewrite them in scientific notation without the prefix. For example, 47Ts would be rewritten as 4.71013s . (a) 980Ps ; (b) 980fs ; (c) 17ns ; (d) 577s .
Perform the following calculations and express your answer using the correct number of significant digits. (a) A man has two bags weighing 13.5 lb and one bag with a weight of 10.2 lb. What is the total weight of the bags? (b) The force Fon an object is equal to its mass mmultiplied by its acceleration a . If a wagon with mass 55 kg accelerates at a rate of 0.0255m/s2 , what is the force on the wagon? (The unit of force is called the newton and it is expressed with the symbol N.)
The purpose of this problem is to show the entire concept of dimensional consistency can be summarized but the old saying “You can’t add apples and oranges.” It you have studied power series expansions in a calculus course, you know the standard mathematical funstions such as trigonometric functions, logarithms, and exponential function can be expressed as infinite sums of the form where the an are dimensionless constants for all n = 0, 1, 2, … and x is the argument of the function. (If you have not studied power series in calculus yet, just trust us.) Use this fact to explain why the requirement that all terms in an equation have the same dimensions is sufficient as a definition of dimensional consistency. That is, it actually implies the arguments of standard mathematical funstions must be dimensional consistency. That is, it actually implies the arguments of standard mathematical functions must be dimensionless, so it is not really necessary to make this latter condition a separate requirement of the definition of dimensional consistency as we have done in this section.
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Solve what are asked for in the following problems. Show complete solutions by showing the following: a) FBD with complete label used in solving the problem including the substitution of data in the formula c) magnitude of answer rounded off to 2 decimal places or to the nearest hundredths b) Derived formula to be SA1) A 50-kg cavan of rice is pulled along a 10-m horizontal ramp with a force of 750 N. If it is dragged from end to end of the ramp and if the u = 0.40, how much work is done on the load?
Solve the problem completely. Show your complete solution and express your final answer with the correct number of significant figures.
Solve the problem completely. Show your complete solution and express your final answer with the correct number of significant figures.