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A force of (7hati +6hatk) newton makes a body move on a rough plane with a velocity of (3 hatj+4hatk) ms^(-1). The power in watt is |
Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/24-295400" style="font-weight:bold;" target="_blank" title="Click to know more about 24">24</a> <br/>34 <br/>21 <br/><a href="https://interviewquestions.tuteehub.com/tag/45-316951" style="font-weight:bold;" target="_blank" title="Click to know more about 45">45</a> </p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/power-2475" style="font-weight:bold;" target="_blank" title="Click to know more about POWER">POWER</a>, `P , vecF .Vecv = (7 hati + 6hatk).(3hatj + 4hatk) = 24 <a href="https://interviewquestions.tuteehub.com/tag/w-729065" style="font-weight:bold;" target="_blank" title="Click to know more about W">W</a>`.</body></html> | |