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A train is traveling up a 3.9 degrees incline at a speed of 3.15m per s when the last car breaks free and begins to coast without friction. How long does it take for the last car to come to rest?
the answer in the back of the book is 4.7 sec and i just can't figure it out I don't get how the book got 4.7 seconds. I got .02 seconds because v=vo+at or velocity= initial velocity + acceleration *time. Thus, -.2/-9.81= .02 seconds. Vinital=3.15m/s A=gsin(3.9) V=0 0=3.15m/s+9.81m/s^2*sin(3.9)t So, -3.15m/s/(.667m/s^2)=t t=-4.7
How far will a falling object move in 9 seconds?
We can find the velocity after 8 seconds using the equation v = v0 + at, sov = 0 + (9.8)(8), v = 78.4. We can then use the equation v2 = v02 + 2ax to find how far it will fall:78.42 = 02 + 2(9.8)xx = 78.42/(2*9.8) = 313.6The object will fall about 313.6 meters.(Your final answer may differ a little due to rounding differences.)
How much is .02 in pounds?
.02 what? And are we talking money or weight?
How many ounces is .02 pounds?
It is 3.2 ounces
How many microns is in 02 inches?
I assume you mean 0.2 inches here. This is 5080um
When was Travels with My Cats created?
Travels with My Cats was created in 2004-02.
When was Love Travels created?
Love Travels was created on 1997-02-04.
What are the release dates for Destroyed in Seconds - 2008 2009-02-02?
Destroyed in Seconds - 2008 2009-02-02 was released on: USA: 2 February 2009
What can you do in .02 seconds?
you can blink
What is greater 2 centimeters or 02 meters?
02 meters is the same as 2 meters. Therefore, the 2 meters is greater. If the question was 0.02 meters, than they would have been equivalent.
When was Rehab Gullible's Travels created?
Rehab Gullible's Travels was created on 2012-02-21.
When was Brian Gulliver's Travels created?
Brian Gulliver's Travels was created on 2011-02-21.
.02 m is how many inches?
.02 meters = 0.787401575 inches
When was Honeymoon Travels Pvt. Ltd. created?
Honeymoon Travels Pvt. Ltd. was created on 2007-02-23.
When was Gullible's Travels - Rehab Album - created?
Gullible's Travels - Rehab Album - was created on 2012-02-21.
What are the release dates for Destroyed in Seconds - 2008 2010-02-07?
Destroyed in Seconds - 2008 2010-02-07 was released on: USA: 7 February 2010
What are the release dates for Destroyed in Seconds - 2008 2009-02-16?
Destroyed in Seconds - 2008 2009-02-16 was released on: USA: 16 February 2009
