Question: A train at 72 km/hr completely crosses another train having three forth of its length and going in the opposite direction at 54 km/hr

A train at 72 km/hr completely crosses another train having three forth

A train at 72 km/hr completely crosses another train having three forth of its length and going in the opposite direction at 54 km/hr in 20 sec. if it also passed a railway platform in 1 minute, the length of the platform is. (a) 740 m (b) 750 m (c) 620 m (d) 800 m (e) 860m

Step by Step Solution

★★★★★

3.39 Rating (152 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The detailed answer for the above question is provided below Solution Given that Speed of fir... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Physics Questions!

a.Assume now that the trade went in the opposite direction for that specified in part c. At what contract price would you have gotten a margin call? Explain. How much additional margin will you need...

Find a unit vector in the opposite direction of w.

Why does the circular flow of money move in the opposite direction of the flow of goods and services?

Identify all of the following statements that are correct with regards to dividends and stock splits: a. The record date is the date that will determine who is eligible to receive a dividend. b. When...

In 2018, Vega Corporation and Sarkissian Company engaged in the following exchange of assets: Vega gave up a small widget cutter with a cost of $40,000 and accumulated depreciation of $28,000 to...

Jupiter Notebook We have covered some of the limitations of single layer neural networks in class, but they are still powerful learning systems that provide a good way to begin learning about how to...

Graphing and Acceleration 53. What's a tangent line and what is it used for? Sketch an example. 54. What is the slope of a v vs t graph for a free-falling object? Why?49.The direction of acceleration...

1. What is a tangent line and what is it used for? Sketch an example. 2. What value is the slope of a v vs t graph for a free-falling object? Why? 3. If wind resistance was included in the previous...

Questions for Discussion 1. What are the major issues in this case? What does Walmart's experience tell you about the business and society relationship? 2. Assess Walmart's corporate social...

With the given information, if the case involves a company's or manager's actions, evaluate what the company or manager did or did not correctly in handling the issue affecting it. How should actions...

Marilyn saw an advertisement for a new face cream which promised to make her look 21 again. The cream cost nearly $2,000 and made no difference to her skin whatsoever. Marilyn believes the...

Assume that the clay layer is preconsolidated, o=128 kN/m2, and Cs= 1/5Cc. Estimate the consolidation settlement. Problem 1 Refer to the soil profile shown in Figure 1. Determine the total stress,...

Let r be a function defined on 0 , - . Then the function F defined by f ( s ) = 0 e - s t f ( t ) d t is said to be the Laplace transform of f . The domain of F ( x ) is the set of walues of s for...

Utilize the concepts of sample and population to describe how a presidential election is unlike an "exit" poll of the electorate.

The following events took place for Bridger Bikes Inc. during July 20Y6, the first month of operations, as a producer of road bikes: Purchased $340,000 of materials. Used $329,000 of direct...

Serge worked for Service Attendant Corporation (SAC). He requested time off under the Family and Medical Leave Act (FMLA) from April 29 through May 31 to undergo treatment for alcoholism. For the...

Reel Time distributes DVDs to movie retailers, including dot-coms. Reel Times top management meets monthly to evaluate the companys performance. Controller Jairo Munoz prepared the following...

The scatterplot shows, for 2013 cars, the carbon footprint (tons of CO2 per mile) vs. the new Environmental Protection Agency (EPA) high-way mileage for 76 family sedans as reported by the U.S....

You've observed the following returns on Pine Computer's stock over the past five years: 16 percent, 5 percent, 19 percent, 13 percent, and 10 percent. a. What was the arithmetic average return on...

A block of mass m is held motionless on a frictionless plane of mass M and angle of inclination ? (see Fig.). The plane rests on a frictionless horizontal surface. The block is released. What is the...

If a longjumper can jump 8 meters at the north pole, how far can he jump at the equator? (Ignore effects of wind resistance, temperature, and runways made of ice. And assume that the jump is made in...

(a) A block starts at rest and slides down a frictionless plane inclined at angle . What should be so that the block travels a given horizontal distance in the minimum amount of time? (b) Same...

A lawn mower retails for $349. The dealers overhead is 25% of cost, and normal operating profit is 16 2/3 % of cost. a. What is the largest amount of markdown that will allow the dealer to break...

Rainbow Paints is discontinuing a line of paint that it purchased at $30 less 45% and 10% per 4L pail. The stores overhead is 50% of cost, and normal operating profit is 30% of cost. If the manager...

Comfort Shoes normal rate of markup on selling price is 45%. What rate of mark down can the store offer on a pair of shoes normally priced at $140, and still realize a 20% rate of markup on cost at...