A 30 ton rail car and a 90 ton rail car, initially at rest, are connected together
Question:
A 30 ton rail car and a 90 ton rail car, initially at rest, are connected together with a giant but massless compressed spring between them. When released, the 30 ton car is pushed away at a speed of 4.0 m/s relative to the 90 ton car. What is the speed of the 30 ton car relative to the ground?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 50% (4 reviews)
Model The two railcars make up a system The impulse approximation is used while ...View the full answer
Answered By
Somshukla Chakraborty
I have a teaching experience of more than 4 years by now in diverse subjects like History,Geography,Political Science,Sociology,Business Enterprise,Economics,Environmental Management etc.I teach students from classes 9-12 and undergraduate students.I boards I handle are IB,IGCSE, state boards,ICSE, CBSE.I am passionate about teaching.Full satisfaction of the students is my main goal.
I have completed my graduation and master's in history from Jadavpur University Kolkata,India in 2012 and I have completed my B.Ed from the same University in 2013. I have taught in a reputed school of Kolkata (subjects-History,Geography,Civics,Political Science) from 2014-2016.I worked as a guest lecturer of history in a college of Kolkata for 2 years teaching students of 1st ,2nd and 3rd year. I taught Ancient and Modern Indian history there.I have taught in another school in Mohali,Punjab teaching students from classes 9-12.Presently I am working as an online tutor with concept tutors,Bangalore,India(Carve Niche Pvt.Ltd.) for the last 1year and also have been appointed as an online history tutor by Course Hero(California,U.S) and Vidyalai.com(Chennai,India).
4.00+
2+ Reviews
10+ Question Solved
Related Book For
Physics for Scientists and Engineers A Strategic Approach with Modern Physics
ISBN: 978-0133942651
4th edition
Authors: Randall D. Knight
Question Posted:
Students also viewed these Physics questions
-
A flatbed rail car is moving at a slow but constant velocity. A man stands in the rail car, facing sideways (perpendicular) to the motion of the rail car. The man holds a baseball at arms length and...
-
A package is at rest on a conveyor belt which is initially at rest. The belt is started and moves to the right for 1.5 s with a constant acceleration of 3.2 m/s2. The belt then moves with a constant...
-
A car initially at rest experiences loss of its parking brake and rolls down a straight hill with a constant acceleration of 0.850 m/s2 traveling a total of 100 m. Lets designate the first half of...
-
What do you think people would say about Corrie from the few quotes we have from her book? What was her personality like? Do you think she handled her incarceration differently than Elie Wiesel?...
-
The Newberry Company accumulates costs for its product using a process costing system. Direct materials are added at the beginning of the production process, and conversion occurs evenly throughout...
-
A poor person who has an income of $1,000 receives $100 worth of food stamps. Draw the budget constraint if the food stamp recipient can sell these coupons on the black market for less than their...
-
The law of ____________ states that behavior followed by a positive consequence is likely to be repeated, whereas behavior followed by an undesirable consequence is not likely to be repeated. (a)...
-
For each of the following, determine the expected cashflows. Probability Assessment Cash Flow Estimate $ 4,800 6,300 7,500 (a) 20% 50% 30% $ 5,400 (b) 30% 7,200 8,400 50% 20% (c) $(1,000) 3,000 5,000...
-
Figure: Market for Printed Houses) Consider the market for environmentally friendly three-dimensional printed houses that is hown in the figure. The government wants to encourage buyers to buy such...
-
Jim Khana, the credit manager of Velcro Saddles, is reappraising the company?s credit policy. Velcro sells on terms of net 30. Cost of goods sold is 85 percent of sales, and fixed costs are a further...
-
A 500 g particle has velocity v x = -5.0 m/s at t = -2 s. Force F x = (4 - t 2 ) N, where t is in s, is exerted on the particle between t = -2 s and t = 2 s. This force increases from 0 N at t = -2 s...
-
A 20 g ball is fired horizontally with speed v 0 toward a 100 g ball hanging motionless from a 1.0-m-long string. The balls undergo a head-on, perfectly elastic collision, after which the 100 g ball...
-
Breakthrough curves describe the concentration of the solution eluted from an adsorption column over time. The efficiency of a column is calculated from breakthrough curves as where Q is the...
-
Ramirez Company Installs a computerized manufacturing machine In Its factory at the beginning of the year at a cost of $43,500. The machine's useful life is estimated at 10 years, or 385,000 units of...
-
Hasbro's My Little Pony Division (MLP) is a toy line and media franchise. The first 'little ponies' were produced in 1981. They feature colorful bodies, manes and a unique symbol on one or both sides...
-
Recently, interest rates have shot up dramatically from their historical lows. We likely will be telling our children and grandchildren stories about the incredibly low rates we have seen. Why do you...
-
How can leaders effectively navigate the complexities of cross-cultural management, leveraging cultural intelligence to bridge differences and foster synergy in globalized business environments ?
-
A 0.2 kg tennis ball is traveling toward a racket with a velocity of 59 m/sec. It hits the racket and travels in the opposite direction at 65 m/sec. a. What is the change in momentum of the tennis...
-
The annual budgeted conversion costs for a lean cell are $180,000 for 1,000 production hours. Each unit produced by the cell requires 20 minutes of cell process time. During the month, 600 units are...
-
An investor sells a European call on a share for $4. The stock price is $47 and the strike price is $50. Under what circumstances does the investor make a profit? Under what circumstances will the...
-
Consider a 25-mm-diameter and 15-m-long smooth tube that is used for heating fluids. The wall is heated electrically to provide a constant surface heat flux along the entire tube. Fluids enter the...
-
Reconsider Prob. 1979. Using an appropriate software, evaluate the effect of the tube length on the average convection heat transfer coefficient of air. By varying the tube length from 3 to 18 m,...
-
In a gas-fired boiler, water is being boiled at 120°C by hot air flowing through a 5-m-long, 5-cm-diameter tube submerged in water. Hot air enters the tube at 1 atm and 300°C at a mean...
-
Angela is entitled to a fixed annual payment of $15,000 from ABC Partnership without regard to the income of the partnership. Her share of the partnership income is 10%. After deducting the...
-
Rosie has $24,000 short-term capital loss, $10,500 28% gain and $9,000 0%/15%/20% gain. Which of the following statements is correct? a. Rosie has a $19,500 net capital gain b. Rosie has a $7,500...
-
Wyatt Company was formed on January 1, Year 1, when it acquired $50,000 cash from issuing common stock. Which of the following shows the impact of this transaction on Wyatt's accounting equation?...
Study smarter with the SolutionInn App