MelidaMarean739 MelidaMarean739

30-06-2015
Mathematics

Answered

a train goes forward at a speed of 1m/s for 20 seconds then it stops and goes backward at a speed of 0.5 m/s for 4 sec after both movements are completed how far is the train located from its starting point notewe are asking for the trains final location not the total distance traveled

Verified Answer :

QuantumMechanic QuantumMechanic

03-07-2015

1m/s20s = 20m forward
0.5m/s backward = -0.5m/s forward
20m+(-0.5m/s4s) = 20m-2m = 18m forward

Or it goes forward 120 = 20m
then goes backward 0.54 = 2m
20-2=18m

Answer Link

Related Questions

What does frequency mean in science

What happens in the artificial transmutation of an element Included an example

Which is NOT a component of language a pragmatics b semantics c morphology d fluency

2536g Na CI to moles

Which best describes chivalry a the process of being dubbed a knight b a place where knights train c a kind of clothing that knights wore d the code of conduct

Beyond tone a poets attitude toward his or her subject reveals to us a poems a theme b structure c diction d subject

what are some examples of maritime jobs

List three reasons why Bostonians felt the British had pushed them too far

The Cold War rivalry directly influenced all of the following EXCEPT A foreign policy B arms race C religion D military alliances

The terminal side of θ passes through the point 56 What is the exact value of cosθ in simplified form