# Frictionless Roller Coaster Problem

###### Question:

In the figure, a frictionless roller coaster car of mass m = 811 kg tops the first hill with speed v0 = 18 m/s at height h = 43 m. What is the speed of the car at point B?

P17-20 Shown below is the retiree health care plan for Waleska Industries 2018 Beginning Balances 460 2018 Ending Balances 485 ($in thousands) Accumulated post retirement BO Plan assets Funded status 75 (460) (410) 110 Prior service cost - AOCI Net gain - AOIC 120 (50) (49) Waleska began funding th... 1 answer ##### 36. (a) Every 2 X 2 stochastic matrix has at least one steady state vector. (b)... 36. (a) Every 2 X 2 stochastic matrix has at least one steady state vector. (b) If A and B are stochastic matrices, then so is ½ (A + B).... 1 answer ##### 3. Use the virtual work method to determine the deflection of each of the joints indicated.... 3. Use the virtual work method to determine the deflection of each of the joints indicated. E-29,000 ksi. Find ΔΕΧ and Δο-Bar areas: top and bottom chords-4; web members-2. (20pts) 50k 30k 10 ft s0k 10 ft i0 ft... 1 answer ##### 1 points Save Answer All along the beach in San Diego, California are shops which rent... 1 points Save Answer All along the beach in San Diego, California are shops which rent boogie boards by the hour. Tourists perceive that all rental boogie boards are identical, all prices are clearly listed on signs in front of the shops, and there are no restrictions on entry and exit in the boogie... 1 answer ##### 2. Abagail has an estimated Cobb-Douglas utility function of U = 982592.75 for food, 91, and... 2. Abagail has an estimated Cobb-Douglas utility function of U = 982592.75 for food, 91, and housing, 92. The price for food is arbitrarily set at$1 per unit Pi = $1 and the average monthly rent near UCF, P2, is$1.50 per sq ft. Jackie, like the average UCF student spends $800 on food and housing p... 1 answer ##### What is 4/5 as a decimal? What is 4/5 as a decimal?... 1 answer ##### What are the advantages of using cross-sectional data to look out how general life satisfaction is... What are the advantages of using cross-sectional data to look out how general life satisfaction is affected by factors such as income and health? And why is income a better variable to use that wage in this instance?... 1 answer ##### How do you find the 5th root of 1-i? How do you find the 5th root of 1-i?... 1 answer ##### One end of a wire is attached to a ceiling, and a solid brass ball is... One end of a wire is attached to a ceiling, and a solid brass ball is tied to the lower end. The tension in the wire is 231 N. What is the radius of the brass ball?... 1 answer ##### A 56 year old patient is being admitted to the hospital for peritoneal dialysis. a. What... A 56 year old patient is being admitted to the hospital for peritoneal dialysis. a. What are principals for administering peritoneal dialysis? b. What is involved with the exchange of fluids? A patient with chronic kidney disease will be doing peritoneal dialysis at home. a. Discuss the education... 1 answer ##### 2. (10 points) Determine whether the following languages are decidable, recognizable, or undecidable. Briefly justify y... 2. (10 points) Determine whether the following languages are decidable, recognizable, or undecidable. Briefly justify your answer for each statement. 1) L! = {< D,w >. D is a DFA and w E L(D)} 2) L2- N, w> N is a NF A and w L(N) 3) L,-{< P, w >: P is a PDA and w ㅌ L(P); 4) L,-{... 1 answer ##### Consider a firm financed with an initial investment of$100 million in February 2006. In exactly...
Consider a firm financed with an initial investment of $100 million in February 2006. In exactly one year it must decide whether to go ahead with a project that requires an additional$100 million investment. The present values (as of February 2007) of the firm's payoffs from taking or not takin...