Kinetic energy of the car-truck system

Assignment Help Physics
Reference no: EM131694539

A car of mass m moving at a speed v1 collides and couples with the back of a truck of mass 3m moving initially in the same direction as the car at a lower speed v2. (Use any variable or symbol stated above as necessary.)

(a) What is the speed vf of the two vehicles immediately after the collision?

vf =   

(b) What is the change in kinetic energy of the car-truck system in the collision?

ΔK =

Reference no: EM131694539

Questions Cloud

What is financial technology : 1. What is Financial Technology (FinTech)? 2. Give two FinTech applications in our daily life with brief description.
Explain the unilytics about five most influential bi trends : There is an article published on Unilytics about five most influential BI trends for 2017 (Karen, 2017). One of idea I would like to share is self-service BI.
Identify three premises from the procon website : Identify three premises (reasons) from the Procon website that support your position and explain why you selected these specific reasons.
Discuss contributions has resulted in political action : Describe how one of those contributions has resulted in political action beyond the traditional Hindu realm of influence
Kinetic energy of the car-truck system : What is the change in kinetic energy of the car-truck system in the collision?
Discuss what you believe follows only after what you do : Explain what you think is meant by the statement in the podcast that in Judaism, What you believe follows only after what you do
What kinds of changes does fensterman describe : What kinds of changes, both physical and psychological, does Fensterman describe going through in the years following April 2004?
Evaluate two types of deception : Evaluate two types of deception - one with which you agree and one with which you disagree.
What would social media say about your choice : what would social media say about this choice? So the legality of some situations is unimportant when compared to the jeopardy of social criticism.

Reviews

Write a Review

Physics Questions & Answers

  Find what was the electric field there

A charge of +6.0 µC experiences a force of 2.0 mN in the +x-direction at a certain point in space. Find what was the electric field there before the charge was located there

  Determine the output voltage for a transformer

Determine the output voltage for a transformer that has 94 turns in its primary and 490 turns in its secondary. The input is 14.0 volts

  Find how much heat is exhausted to low temperature reservoir

During each cycle a reversible engine absorbs 1550 Joule of heat from a high temperature reservoir and performs 1200 Joule of work. Compute how much heat is exhausted to the low temperature reservoir

  What is the total mass of the dark matter in this galaxy

A star in a distant galaxy is located at a distance of 20 kpc from the center of that galaxy. What is the total mass of the dark matter in this galaxy

  What is the work done by dan

Dan lifts a mass of 10 kg vertically upward at a constant speed of 0.2 m/s through a distance of 1 m. What is the work done by Dan

  The distance between the point of first contact

A man drags a 72.0 kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. The crate is tilted 26 degrees above the horizontal, and the strap is inclined 68 degrees above the horizontal. The center ..

  What is the car impact speed

Part A) How far from the base of the cliff does the car land? Express your answer to two significant figures and include the appropriate units. Part B) What is the car's impact speed? Express your answer to two significant figures and include the a..

  How many revolutions does the blade turn this time interval

How much time does it take to reach an angular velocity of 36 rad/s, starting from rest.

  Calculate the average induced voltage between the tips of

calculate the average induced voltage between the tips of the wings of a boeing 747 flying at 880 kmhr above east

  Compute how much work does the friction do on the crate

A factory employee pushes a 35 kilogram crate across the floor by applying a 600 N push at a 30o angle above the horizontal. Compute how much work does the friction do on the crate

  Ramp does the block slidebefore coming momentarily to rest

A 3.0 kg block slides along a frictionlesshorizontal surface with a speed of 7.0 m/s. After sliding adistance of 3.0 m, the block makes asmooth transition to a frictionless ramp inclined at an angle of40° to the horizontal.

  Determine the final volume of the gas

A gas, while expanding under isobaric conditions, does 494 J of work. The pressure of the gas is 1.57E+5 Pa, What is the final volume of the gas

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