At any instant of time $t$ , the displacement of any particle is given by $2t-1$  (SI unit) under the influence of force of 5 N. The value of instantaneous power is (in SI unit):

<p><span contenteditable="false"> <math> <mrow> <mi>x</mi> <mo>=</mo> <mn>2</mn> <mi>t</mi> <mo>−</mo> <mn>1</mn> </mrow> </math> </span></p><p><span contenteditable="false"> <math> <mrow><mi>v</mi><mo>=</mo><mfrac><mrow><mi>d</mi><mi>x</mi></mrow><mrow><mi>d</mi><mi>t</mi></mrow></mfrac><mo>=</mo><mn>2</mn>&nbsp;m&nbsp;<msup><mrow>s</mrow><mrow><mo>−</mo><mn>1</mn></mrow></msup></mrow> </math> </span></p><p><span contenteditable="false"> <math> <mrow> <mi>P</mi> <mo>=</mo> <mi>F</mi> <mo>·</mo> <mi>v</mi> </mrow> </math> </span></p><p><span contenteditable="false"> <math> <mrow><mo>=</mo><mn>2</mn><mo>×</mo><mn>5</mn><mo>=</mo><mn>1</mn><mn>0</mn>&nbsp;W</mrow> </math> </span></p>

0 Upvotes 0 Upvotes 0 Downvotes

• • Report Abuse
• Comment