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Normal 0false false falseEN-US X-NONE X-NONE/* Style Definitions */table.MsoNormalTable{mso-style-name:Table Normal;mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-priority:99;mso-style-qformat:yes;mso-style-parent:;mso-padding-alt:0in 5.4pt 0in 5.4pt;mso-para-margin-top:0in;mso-para-margin-right:0in;mso-para-margin-bottom:10.0pt;mso-para-margin-left:0in;line-height:115%;mso-pagination:widow-orphan;font-size:11.0pt;font-family:Calibri,sans-serif;mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:Times New Roman;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:Times New Roman;mso-bidi-theme-font:minor-bidi;}A subway train starting from rest leaves a station with a constant acceleration. At the end of 7.98 s, it is moving at 15.2418 m/s. What is the train’s displacement in the ?rst 5.19498 s of motion? Answer in units of m

V. Harshit - , 11 Years ago
Grade 11
anser 3 Answers
Nishant Chandrashekar

Last Activity: 11 Years ago

v=u + at

where u=0    (since it starts from rest)

from this,

a=(15.2418)/7.98

now use ,

s=ut+(1/2)at^2

where u=0

s=25.7m

hardik joshi

Last Activity: 11 Years ago

hey,guy,is there two que.?

 

 

 

 

if there is 2 questions,,,

so,the first ans is 315.72m

hardik joshi

Last Activity: 11 Years ago

HEY,FRIEND,,

IS THERE TWO QUE.?

 

 

IF,IT IS,,,,

SO,THE FIRST ANS  WOULD BE 485.30m

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