Increase the speed of the train

Assignment Help Physics
Reference no: EM131420818

A freight train has a mass of 1.0 ? 107 kg. If the locomotive can exert a constant pull of 7.1 ? 105 N, how long does it take to increase the speed of the train from rest to 70 km/h?

Reference no: EM131420818

Questions Cloud

Kinetic energy does the squid create by maneuver : A) If the squid has 1.75 kg of water in its cavity, at what speed must it expel this water to instantaneously achieve a speed of 2.70 m/s to escape the predator? Neglect any drag effects of the surrounding water. B) How much kinetic energy does th..
Write a marketing plan about herman miller : Discuss the within (# of product lines), length (# of brands), depth (# of versions of the brand). and consistency of your company's product mix.
Discuss the significance of the independence axiom as used : Discuss the significance of the independence axiom as used in the axiomatic design methodology. Explain the importance and rationale for adopting industry standards as part of systems design endeavors.
Define the term humanities : Define the term humanities at least three different times throughout history. Distinguish the humanities from other modes of human inquiry and expression
Increase the speed of the train : A freight train has a mass of 1.0 ? 107 kg. If the locomotive can exert a constant pull of 7.1 ? 105 N, how long does it take to increase the speed of the train from rest to 70 km/h?
What is the eps of the combined company : If Topeka acquires Omaha in an allstock transaction, what is the EPS of the combined company?
Analyze the interview using the brand equity and brand : Find a consumer who is extremely loyal to a brand-name product. The person can be a family member, friend, classmate, or other. Probe him or her for information as to why that brand loyalty exists. Discuss how the individual feels about competitiv..
Determine the critical speeds of vehicle : The quarter-car weight of a certain vehicle is 500 lb and the weight of the associated wheel and axle is 150 lb. The suspension stiffness is 7700 lb/ft and the tire stiffness is 9700 lb/ft. If the amplitude of variation of the road surface is 0.25..
How might the management team use formulas : Describe how you would use these features? How might the management team use formulas? When and how might you use conditional formatting? Can conditional formatting rules be changed? Why or why not?

Reviews

Write a Review

Physics Questions & Answers

  Find sound intensity does he measure for the two talkers

Two of Angie's friends are talking to each other at a distance of 3.0 m from where Angie stands. What sound intensity does he measure for the two talkers

  What is the height of the image on the retina

A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 58.05 diopters, what is the height of the image on the retina

  What is the thermal energy of this gas

Helium gas is confined in a volume of 3 m3 and is at pressure of 2.1 atmospheres. What is the thermal energy of this gas

  What is voltage across parallel combination of capacitors

A 5.0-uF capacitor is charged so that the voltage drop across its plates is 5.0V. A 10.0-uFcapcitor is similarly charged so that the voltage drop across its plates is 10.0V. The two charged capacitors are then connected to each other in parallel w..

  When the same emf device is placed across the same two

when a 20.0-v emf device is placed across two resistors in series a current of 15.0 a is flowing in each of the

  Find the masses of the fragments

An unstable particle with a mass equal to 3.34 ? 10-27 kg is initially at rest. Find the masses of the fragments

  What is the value of the force

What is the value of the force?

  Explain why do you think this was the dominant political

Give a definition of "laissez faire" economics. (An economic doctrine that opposes government regulation of or interference in commerce.) Explain why do you think this was the dominant political and legal view in the 1800s and early 1900s?

  Estimate where is the center of mass of these objects

Four objects are situated along the y axis as follows: a 2.07 kilogram object is at +2.92 meter, Find where is the center of mass of these objects

  Angular magnification if the lens is close to the eye

An insect that is 5.90 mm long is placed 11.5 cm from a converging lens with a focal length of 12.0 cm. The position of the image is 276 cm from the lens and the size of the image is 141.6 mm. What is the angular magnification if the lens is close to..

  Evaluate the electric field strength

An electric dipole is formed from +1.3 nC charges spaced 2.0 mm apart. What is the electric field strength at the following points

  What is the time constant

A resistor with resistance 14M? is connected in series with a capacitor with capacitance 1.0?F and a battery with emf 13.5.0V. what is the time constant

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd