The designer of a ski resort wishes to have a portion of a beginner's slope on which the snowboarder's speed will remain fairlyconstant. Tests indicate the average coefficients of friction between a snowboard and snow to be us = 0.094 and μk = 0.072. Whatshould be the slope angle of the constant-speed section?Answer: 0 = i

The designer of a ski resort wishes to have a portion of a beginner's slope on which the…

Answered: The designer of a ski resort wishes to…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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I have a cones geometry question.
What is the slope of the line tangent to the graph of y = 47³ x+3 B 14 11 13 4 12 at x = 1 ?
Two robots in a factory move on parallel straight tracks. The two tracks are right next to each other. Engineers tested the robot control system. The graph shows the velocities, in meters per minute, of the robots A and B (functions are named for the robots) during the 10-minute test. The sign in the velocity values corresponds to direction: positive is right, negative is left. Use the graph to answer the following questions about the system test. a. How far and in what direction from the starting position is robot A after 6 minutes? Velocity 4- 10 b. How far and in what direction from the starting position is robot B at the end of the 10-minute test? What is the distance this robot travels during the 10-minute test? -4 c. Use the graph to evaluate the integral B(t) dt. Describe in words, and using the value you found, what this says about the corresponding robot.
answer 4. only
THE POSITION FUNCTION FOR AN OBJECT IN METERS PER SECOND IS GIVEN BY s(t) = 42t – 3t3 A) FIND THE VELOCITY FUNCTION. ANSWER: B) FIND THE VELOCITY WHEN t=4 SECONDS. ANSWER: C) FIND THE ACCELERATION FUNCTION. ANSWER: D) FIND THE ACCELERATION WHEN t=5 SECONDS. ANSWER:
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A 650-ft equal-tangent sag vertical cuve has its PVC at station 60+50 and elevation 950 ft. The initial grade is -4.5% and the final grade is +3%. Determine elevation of the lowest point of the curve. O A. 803.55 O B. 941.23 O C. 783.71 O D. 835.16
FRQ #2: Directions: Show all your work. Indicate clearly the methods you use, because you will be scored on the correctness of your methods as well as on the accuracy and completeness of your results and explanations. Windmills generate electricity by transferring energy from wind to a turbine. A study was conducted to examine the relationship between wind velocity in miles per hour (mph) and electricity production in amperes for one particular windmill. For the windmill, measurements were taken on twenty-five randomly selected days, and the computer output for the regression analysis for predicting electricity production based on wind velocity is given below. The regression model assumptions were checked and determined to be reasonable over the interval of wind speeds represented in the data, which were from 10 miles per hour to 40 miles per hour. a) Use the computer output above to determine the equation of the least squares regression line. Identify all variables used in the…
Use the data below that a student collected by measuring the magnitude of the gravitation force acting on varying masses for parts a-c. Mass (kg) Magnitude of Gravitational Force (N) 0.50 4.87 1.00 9.79 1.50 14.80 2.00 20.02 2.50 24.41 3.00 27.42 a) Graph the data using the graph paper on the following page. b) Calculate the slope from a line of best fit of your graph. Answer to two significant digits. c) What does the slope represent?
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The volume V of an ice cream cone is given by V = where R is the common radius of the spherical cap and the cone, and h is the height of the cone. Use linearization to estimate the change in the volume when R changes from R = 1.5 inches to R = 1.7 inches, and h changes from h = 4 inches to h = 4.1 inches. Give your answer to two decimal places. R ----- h 6.20 |× in3
Determine the ground velocity. See attached. Thank you!

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