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A locomotive starts from rest and moves straight East on perfectly straight railroad tracks in the middle of Kansas. It reaches a grain elevator a distance di = 200. m East from its starting point at a time t=50.0 seconds after the start. Take East to be the positive x-direction. a) What is the-locomotive's average speed speedave Over this time period t? b) What is the locomotive's average velocity Vave Over this time period tr? (Show magnitude and direction) The locomotive continues travelling straight eastward past the grain elevator until it reaches a train depot station a distance d2=300. m away from the starting point, where the locomotive stops and reverses its motion taking it back to the grain elevator where it finally stops for the night at a time t3=170. s as measured from the very start a) What is the locomotive's average speed speedave Over the whole trip (over the whole time interval t3 )? b) What is the locomotive's average velocity Vave Over the whole trip (over the whole time interval t3)? (Show magnitude and direction) Page

A locomotive starts from rest and moves straight East on perfectly straight railroad tracks in the middle of Kansas. It reaches a grain elevator a distance di = 200. m East from its starting point at a time t=50.0 seconds after the start. Take East to be the positive x-direction. a) What is the-locomotive's average speed speedave Over this time period t? b) What is the locomotive's average velocity Vave Over this time period tr? (Show magnitude and direction) The locomotive continues travelling straight eastward past the grain elevator until it reaches a train depot station a distance d2=300. m away from the starting point, where the locomotive stops and reverses its motion taking it back to the grain elevator where it finally stops for the night at a time t3=170. s as measured from the very start a) What is the locomotive's average speed speedave Over the whole trip (over the whole time interval t3 )? b) What is the locomotive's average velocity Vave Over the whole trip (over the whole time interval t3)? (Show magnitude and direction) Page

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Please answer parts A and B. The pair at the bottom of the page that is circled. Use all data given from the problem. Please show all work and circle your answers. Thank you in advanced!
A locomotive starts from rest and moves straight East on perfectly straight railroad tracks in the middle of Kansas. It reaches a grain elevator a distance di = 200. m East from its starting point at a time t1= 50.0 seconds after the start. Take East to be the positive x-direction. a) What is the-locomotive's average speed speedaveover this time period t? b) What is the locomotive's average velocity Vave OVer this time period tị? (Show magnitude and direction) The locomotive continues travelling straight eastward past the grain elevator until it reaches a train depot station a distance dz=300. m away from the starting point, where the locomotive stops and reverses its motion taking it back to the grain elevator where it finally stops for the night at a time t3=170. s as measured from the very start a) What is the locomotive's average speed speedave over the whole trip (over the whole time interval t3 ) ? b) What is the locomotive's average velocity Vave Over the whole trip (over the whole time interval t3)? (Show magnitude and direction) Page 1 of 4
Transcribed Image Text:A locomotive starts from rest and moves straight East on perfectly straight railroad tracks in the middle of Kansas. It reaches a grain elevator a distance di = 200. m East from its starting point at a time t1= 50.0 seconds after the start. Take East to be the positive x-direction. a) What is the-locomotive's average speed speedaveover this time period t? b) What is the locomotive's average velocity Vave OVer this time period tị? (Show magnitude and direction) The locomotive continues travelling straight eastward past the grain elevator until it reaches a train depot station a distance dz=300. m away from the starting point, where the locomotive stops and reverses its motion taking it back to the grain elevator where it finally stops for the night at a time t3=170. s as measured from the very start a) What is the locomotive's average speed speedave over the whole trip (over the whole time interval t3 ) ? b) What is the locomotive's average velocity Vave Over the whole trip (over the whole time interval t3)? (Show magnitude and direction) Page 1 of 4
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