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7. 12.22 points SCalcCC4 4.1.023 My Notes Ask Your Teacher The top of a ladder slides down a vertical wall at a rat...
Ask Your Teacher 3 -2 points SCalcETB 8.3005. My Notes A circular plate with radius 7...
Ask Your Teacher 3 -2 points SCalcETB 8.3005. My Notes A circular plate with radius 7 m is submerged vertically in water as shown. Express the hydrostatic force against one side of the plate as an integral and evaluate it. (Round your answer to the nearest whole number. Use 9.8 m/s2 for the acceleration due to gravity. Recall that the weight density of water is 1000 kg/m3.) N 3 m Need Help? Read It Talk to a Tuter Ask Your...
1. [-/1 Points] DETAILS SCALCCC4 1.7.005. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Consider the parametric...
1. [-/1 Points] DETAILS SCALCCC4 1.7.005. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Consider the parametric equations below. x = 5t - 2 y = 3t + 1 (a) Sketch the curve by using the parametric equations to plot points. Indicate with an arrow the direction in which the curve is traced as t increases. (Do this on paper. Your instructor may ask you to turn in this work.) (b) Eliminate the parameter to find a Cartesian equation of the...
4. [-16 Points] DETAILS SCALCCC4 3.4.090. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the tangent...
4. [-16 Points] DETAILS SCALCCC4 3.4.090. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the tangent equation to the given curve that passes through the point (10, 10). Note that due to the t2 in the x equation and the t3 in the y equation, the equation in the parameter t has more than one solution. This means that there is a second tangent equation to the given curve that passes through a different point. x = 6t2 + 4...
Previous Answers 12 points CraudColAlg5 2AFL3.007 My Notes Ask Your Teacher The following illustrates an application...
Previous Answers 12 points CraudColAlg5 2AFL3.007 My Notes Ask Your Teacher The following illustrates an application of optimization using parabolas. A study found that the cost C per pupil of operating a high school in a certain country depends on the number n of students enrolled. The cost is given by C=65,000-500n+ n? oolars per pupi What enrollment produces the minimum cost per pupil? n250 students What is the minimum cost? 25000 Need Help? Read Talk to a Tutor I...
8. '1 points I Previous Answers TanApMath 4.3.014. My Notes Ask Your Teacher Find the periodic payment R required t...
8. '1 points I Previous Answers TanApMath 4.3.014. My Notes Ask Your Teacher Find the periodic payment R required to accumulate a sum of S dollars over t years with interest earned at the rate of year compounded m times a year. (Round your answer to the nearest cent.) S-360,000, r2.2, t10, m12 3345 x Need Help? Read itWatch It
8. '1 points I Previous Answers TanApMath 4.3.014. My Notes Ask Your Teacher Find the periodic payment R required to...
3. -/10 points ScalcCc4 12.7.007.MI.SA. My Notes Ask Your Teacher This question has several parts that...
3. -/10 points ScalcCc4 12.7.007.MI.SA. My Notes Ask Your Teacher This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. Tutorial Exercise Evaluate the iterated integral. 8 cos(x + y + 3) d: dx dy
s. -15 points SerPSE9 12.P.013.MI.FB. My Notes Ask Your Teacher A 16.0-m uniform ladder weighing 480...
s. -15 points SerPSE9 12.P.013.MI.FB. My Notes Ask Your Teacher A 16.0-m uniform ladder weighing 480 N rests against a frictionless wall. The ladder makes a 61.0° angle with the horizontal (a) Find the horizontal and vertical forces the ground exerts on the base of the ladder when an 850-N firefighter has climbed 4.10 m along the ladder from the bottom. Horizontal Force magnitude direction Select Vertical Force magnitude direction Select. (b) If the ladder is just on the verge...
2. [-75 Points] DETAILS SCALCCC4 7.5.007.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The population of...
2. [-75 Points] DETAILS SCALCCC4 7.5.007.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The population of the world was about 5.3 billion in 1990. Birth rates in the 1990s ranged from 35 to 40 million per year and death rates ranged from 15 to 20 million per year. Let's assume that the carrying capacity for world population is 100 billion. (Assume that the difference in birth and death rates is 20 million/year 0.02 billion/year.) (a) Write the logistic differential equation...
8.-12 points SerCP11 15.3.P.020 My Notes Ask Your Teacher An electron is accelerated by a constant...
8.-12 points SerCP11 15.3.P.020 My Notes Ask Your Teacher An electron is accelerated by a constant electric field of magnitude 320 N/C (a) Find the acceleration of the electron. (b) Use the equations of motion with constant acceleration to find the electron's speed after 1.20 x 10-8 s, assuming it starts from rest. m/s Need Help?Read ItWatch it
3. + -12 points CraudColAlg6 3.1.EX.008. My Notes + Ask Your Teacher A tree service is...
3. + -12 points CraudColAlg6 3.1.EX.008. My Notes + Ask Your Teacher A tree service is to fell a tree. A rope is attached to the top of the tree to determine the direction in which the tree will fall. The rope meets the top of a 6 ft tall light pole that is 20 feet away from the tree. Rope Tree 6 ft Light pole 10 ft 20 ft There is concern that when the tree falls, it will...
Ask Your Teacher 3 -2 points SCalcETB 8.3005. My Notes A circular plate with radius 7 m is submerged vertically in water as shown. Express the hydrostatic force against one side of the plate as an integral and evaluate it. (Round your answer to the nearest whole number. Use 9.8 m/s2 for the acceleration due to gravity. Recall that the weight density of water is 1000 kg/m3.) N 3 m Need Help? Read It Talk to a Tuter Ask Your...
1. [-/1 Points] DETAILS SCALCCC4 1.7.005. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Consider the parametric equations below. x = 5t - 2 y = 3t + 1 (a) Sketch the curve by using the parametric equations to plot points. Indicate with an arrow the direction in which the curve is traced as t increases. (Do this on paper. Your instructor may ask you to turn in this work.) (b) Eliminate the parameter to find a Cartesian equation of the...
4. [-16 Points] DETAILS SCALCCC4 3.4.090. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the tangent equation to the given curve that passes through the point (10, 10). Note that due to the t2 in the x equation and the t3 in the y equation, the equation in the parameter t has more than one solution. This means that there is a second tangent equation to the given curve that passes through a different point. x = 6t2 + 4...
Previous Answers 12 points CraudColAlg5 2AFL3.007 My Notes Ask Your Teacher The following illustrates an application of optimization using parabolas. A study found that the cost C per pupil of operating a high school in a certain country depends on the number n of students enrolled. The cost is given by C=65,000-500n+ n? oolars per pupi What enrollment produces the minimum cost per pupil? n250 students What is the minimum cost? 25000 Need Help? Read Talk to a Tutor I...
8. '1 points I Previous Answers TanApMath 4.3.014. My Notes Ask Your Teacher Find the periodic payment R required to accumulate a sum of S dollars over t years with interest earned at the rate of year compounded m times a year. (Round your answer to the nearest cent.) S-360,000, r2.2, t10, m12 3345 x Need Help? Read itWatch It
8. '1 points I Previous Answers TanApMath 4.3.014. My Notes Ask Your Teacher Find the periodic payment R required to...
3. -/10 points ScalcCc4 12.7.007.MI.SA. My Notes Ask Your Teacher This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. Tutorial Exercise Evaluate the iterated integral. 8 cos(x + y + 3) d: dx dy
s. -15 points SerPSE9 12.P.013.MI.FB. My Notes Ask Your Teacher A 16.0-m uniform ladder weighing 480 N rests against a frictionless wall. The ladder makes a 61.0° angle with the horizontal (a) Find the horizontal and vertical forces the ground exerts on the base of the ladder when an 850-N firefighter has climbed 4.10 m along the ladder from the bottom. Horizontal Force magnitude direction Select Vertical Force magnitude direction Select. (b) If the ladder is just on the verge...
2. [-75 Points] DETAILS SCALCCC4 7.5.007.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The population of the world was about 5.3 billion in 1990. Birth rates in the 1990s ranged from 35 to 40 million per year and death rates ranged from 15 to 20 million per year. Let's assume that the carrying capacity for world population is 100 billion. (Assume that the difference in birth and death rates is 20 million/year 0.02 billion/year.) (a) Write the logistic differential equation...
8.-12 points SerCP11 15.3.P.020 My Notes Ask Your Teacher An electron is accelerated by a constant electric field of magnitude 320 N/C (a) Find the acceleration of the electron. (b) Use the equations of motion with constant acceleration to find the electron's speed after 1.20 x 10-8 s, assuming it starts from rest. m/s Need Help?Read ItWatch it
3. + -12 points CraudColAlg6 3.1.EX.008. My Notes + Ask Your Teacher A tree service is to fell a tree. A rope is attached to the top of the tree to determine the direction in which the tree will fall. The rope meets the top of a 6 ft tall light pole that is 20 feet away from the tree. Rope Tree 6 ft Light pole 10 ft 20 ft There is concern that when the tree falls, it will...
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