A cartravelsa distancex kmwitha speed36km/ h and another x km with 45 km / h . Theaveragespeedofthe caris

A cartravelsa distancex kmwitha speed36km/ h and another x km with 45

1.	A cartravelsa distancex kmwitha speed36km/ h and another x km with 45 km / h . Theaveragespeedofthe caris
Answer» <html><body><p>`40.5km //h`<br/>`<a href="https://interviewquestions.tuteehub.com/tag/40km-315897" style="font-weight:bold;" target="_blank" title="Click to know more about 40KM">40KM</a> //h`<br/>`42km//h`<br/> <a href="https://interviewquestions.tuteehub.com/tag/dependent-948496" style="font-weight:bold;" target="_blank" title="Click to know more about DEPENDENT">DEPENDENT</a> on x <br/></p>Solution :IF a= angleofprojectionand u-intialvelocity, horizontalcomponentofvelocity`=u <a href="https://interviewquestions.tuteehub.com/tag/cos-935872" style="font-weight:bold;" target="_blank" title="Click to know more about COS">COS</a> alpha` . <br/> Thehorizontalcomponentof velocity of aprojectilleremainsunchangedthroughoutitspathbutat thetopmostpointthe verticalcomponentof itsvelocitybecomeszero. <br/> Given`, u <a href="https://interviewquestions.tuteehub.com/tag/cosalpha-2549498" style="font-weight:bold;" target="_blank" title="Click to know more about COSALPHA">COSALPHA</a> = ( u )/(2) `<br/>or `cos alpha=1/2= cos60 ^@ " or ", a= 60 ^(@)`</body></html>