Question: 1. A train goes from station a to b at a speed of 35 km/h and returns with a speed of 75 km/h. Calculate

1. A train goes from station a to b at a speed

1. A train goes from station a to b at a speed of 35 km/h and returns with a speed of 75 km/h. Calculate the average speed of the train.

Step by Step Solution

★★★★★

3.44 Rating (144 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
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 Mathematics Questions!

Q:

Designers have developed small, fast, vertical-takeoff fighter aircraft that are invisible to radar (stealth aircraft). This aircraft concept uses quickly turning jet nozzles to steer the airplane...

Q:

A train leaves Union Station for Central Station, 216 km away, at 9 A.M. One hour later, a train leaves Central Station for Union Station. They meet at noon. If the second train had started at 9 A.M....

Q:

A commuter train traveling at 64 km/h is 4.8 km from a station. The train then decelerates so that its speed is 32 km/h when it is 800 m from the station. Knowing that the train arrives at the...

Q:

A subway train starts from rest at a station and accelerates at a rate of 1.60 m/s2 for 14.0 s. It runs at constant speed for 70.0 s and slows down at a rate of 3.50 m/s2 until it stops at the next...

Q:

- Mickey pushes a lawnmower forward 1000 m with some force of 2 2 lbs or 98 N at various angles. Find the work done if Mickey A) pushes downwards at a 30 degrees angle, B) pushes flat at a 0 degrees...

Q:

I have this code and it shown an error: java.lang.NullPointerException at FastestTrain.main(FastestTrain.java:77) Please help me fix the error. The code contains 3 classes: //FastestTrain Class...

Q:

Is it possible to estimate the ROI of training for all training programs? Which are more or less susceptible to this calculation? 6 TRAINING AND DEVELOPMENT CFO asks CEO, 'What happens if we invest...

Q:

15. [-/5.2 Points] DETAILS SERCP11 4.2.P.012. MY NOTES ASK YOUR TEACHER Two forces are applied to a car in an effort to move it, as shown in the figure below. (Let Fj = 405 N and F2 = 375 N. Assume...

Q:

Unit 4: Rational Expressions and Equations Assignment Booklet 4 Name: Date: Unit 4: Rational Expressions and Equations Unit Assignment Read the course material and complete the...

Q:

Unit 4: Rational Expressions and Equations Assignment Booklet 4 Name: Date: Unit 4: Rational Expressions and Equations Unit Assignment Read the course material and complete the...

Q:

Unit 4: Rational Expressions and Equations Assignment Booklet 4 Name: Date: Unit 4: Rational Expressions and Equations Unit Assignment Read the course material and complete the...

Q:

Use Kirchhoffs loop theorem to find the current in each resistor in Fig. 18.30. R1 = 10 Q Ry = 5.0 0 R2 = 2.00 V= 10 V

Q:

5. The management fee to be paid to the management company is 2 percent of net room 6. Fire insurance protection was secured on June 1, 20X1, for a two-year period of cover 7. Franchise fees (a...

Q:

Let M ( t ) = 1 / ( 1 - 3 t ) for x > 0 . a . Find E ( X ) . b . Find V ( X ) .

Q:

Access the FASB Accounting Standards Codification at the FASB website (asc.fasb.org) Required: Determine the specific citation for accounting for each of the following items: 1. If it is only...

Q:

Introduction The geomorphology of Earths surface evolves over time through various processes. Sometimes small, incremental changes add up to significant differences over time. At other times large...

Q:

The units of an item available for sale during the year were as follows: There are 57 units of the item in the physical inventory at December 31. The periodic inventory system is used. Determine the...

Q:

If the cross-price elasticity of clinic visits with respect to emergency department prices is 0.21, how much will ambulatory visits change if emergency department prices rise by 5%? Are emergency...

Q:

The Project Outline describes in broad terms: I would like to open a restaurant and i would like to kn ow how do I implement that in my business plan. I need you to explain the purpose of the...

Q:

Sam has a heated argument over an affair he claims his wife is having with his best friend. The argument escalates and Sam is overheard by the neighbors saying he wished his wife were dead. After...

Q:

Final Review Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Which of the following is a pair of scalar quantities? a. Speed Distance c....

Q:

9. Calculate the average speed (in km/h) of a car stuck in traffic that drives 12 kilometers in 2 hours. 10. How long would it take you to swim across a lake that is 900 meters across if you swim at...

Q:

Directions: Solve the following problems. 1. A car in front of the school goes from rest to 27 m/s in 3.0 seconds. What is its acceleration (assuming it is constant)? 2. A rocket starts from rest and...

Q:

(10%) Problem 9: You are standing on a train station platform as a train goes by close to you. As the train approaches, you hear the whistle sound at a frequency of f1 = 99 Hz. As the train recedes,...

Q:

High-speed trains for U.S. railroad tracks must traverse twists and turns. In conventional trains, the axles are fixed in steel frames called trucks. The trucks pivot as the train goes into a curve,...

Q:

Homework 4 (Ch. 4) 60f12 -/1 ;= II. View Policies Current Attempt in Progress The fast French train known as the TGV (Train a Gra nde Vitesse) has a scheduled average speed of 216 km/h. (a) Ifthe...