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Here, <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAG8AAAAjCAYAAACaX1R3AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAXQ/cXWQAAAoJJREFUeNrtm0EohEEUxydJ2lyc5CC1bZIkF0kOLpIkSUlykovkqBwlKclJUnKQ5CJJctMmB0lJkhyUnFwlSdoLb9q3GbPfN998y+733u786l8701ve++bbmfe9fSsEDTpB+6A3UAp0AxoTDhacgUZBVThuAp3jnIMh9aBbdxn48ukzPwX6AH0ZNIu2c/h6EnSFf3M2glg4+pwzHbh1erENqsNzclCZl+N+zXYP9AxaAcUjjIejzzlRCbrERMbEI16QDE+gGs3mATREKDaOPltTDToE9QTYleM2pI7fNZsyzSZqOPpsTRwXLmG5rZ5q46Rm067ZUDgKuPlsRSNoExSztJePEVvKeATPFZNN1HD0OZAaPKTLQ7xnHTSujBdAa5rNKmiCUJwcfQ7kGD95YQ/+VmW8CDrBLTfz6T0A9RFLVv7dZ3lIpgKeQVJolw9M/9cLmWpfa3NtIl1e21HmXjBzpUDBfG4Q6fqigyHyGWPXXQaezINm3GXgiSzZDPzxrDKdWRxgG5vMimrdPcwPr5JNVHd2IcQxNusSjts2GcXGrjzjYFyecfxAraTkCAGlkpKjiOhnmgSVfGujbAu8Z7p4Jd/auIGJ1FeRxFMyrY1y20kqz186foX0JPHk67NI4vClAu/QesPiJUT2V1hdIt2BRhWv1kaOcRhZAk0rY79tU3ZcqV8WX4C6icZkam3kFIeRFo+702/xLtBe0otJAkWCWhu5xBHIpchuA/RbPNmFNYyvb3BbooZNayOHOKwIUxiWvwVYFulekROCsdi2NlKP488L6oXMxmRp70787tCiQJjWRspx5G3xYph6HxH0OUxrI+U48rZ4kldQM7PtP+c4vgHcRicmRrXZkQAAARV0RVh0TWF0aE1MADxtYXRoIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8xOTk4L01hdGgvTWF0aE1MIj48bWk+VDwvbWk+PG1vPj08L21vPjxtZnJhYz48bXJvdz48bW4+MjwvbW4+PG1pPiYjeDNDMDs8L21pPjxtaT5yPC9taT48L21yb3c+PG1yb3c+PG1uPjQ8L21uPjxtaT52PC9taT48L21yb3c+PC9tZnJhYz48bW8+PTwvbW8+PG1mcmFjPjxtcm93PjxtaT4mI3gzQzA7PC9taT48bWk+cjwvbWk+PC9tcm93Pjxtcm93Pjxtbj4yPC9tbj48bWk+djwvbWk+PC9tcm93PjwvbWZyYWM+PC9tYXRoPj26/foAAAAASUVORK5CYII=" class="Wirisformula" alt="T equals fraction numerator 2 pi r over denominator 4 v end fraction equals fraction numerator pi r over denominator 2 v end fraction" width="111" height="35" style="vertical-align:-12px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨ »«mi»T«/mi»«mo»=«/mo»«mfrac»«mrow»«mn»2«/mn»«mi»π«/mi»«mi»r«/mi»«/mrow»«mrow»«mn»4«/mn»«mi»v«/mi»«/mrow»«/mfrac»«mo»=«/mo»«mfrac»«mrow»«mi»π«/mi»«mi»r«/mi»«/mrow»«mrow»«mn»2«/mn»«mi»v«/mi»«/mrow»«/mfrac»«/math»'/> Change in velocity is going from <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAANCAYAAACdKY9CAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAMyZLetQAAAIdJREFUeNpjYMAPChhIAOFA/AuIWYhRLAjEl4B4NxAHEKNhJhBHAnE8EE8hpNgSiLdA2eJAfBefYpB7zwCxLJLYOSDWwKWhHohL0MRagTgLm2INqGnowB6IN2HTcBiI/+PAGMGbBsQT8PhtORB7wTiS0DDnwaMhGdnAVUDsQyCopYH4FgM5AACEKxqdNkqvogAAAEl0RVh0TWF0aE1MADxtYXRoIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8xOTk4L01hdGgvTWF0aE1MIj48bWk+QTwvbWk+PC9tYXRoPkHiA+IAAAAASUVORK5CYII=" class="Wirisformula" alt="A" width="12" height="13" style="vertical-align:-1px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨ »«mi»A«/mi»«/math»'/> to <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAANCAYAAACQN/8FAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAMyZLetQAAAJ5JREFUeNpjYMAEP4D4DxA/BOK7QLwJiCXRFakA8QU0sWYgno+uMACIl6KJBWERY6gH4nI0sYVA7IGucBXUVCYgNgDiuUBcgMUfDLeA+D8Uf8FmEgPUlC9QNhsQuwDxcSBWQ1doDsR70cSigbgLXWEk1E3IIBaIZ6MrnATEiWhic6EGoIB1SI4XBeJQaOCzoSt8h+RjUDQuB2JpBlIBAK5MH2X+n9d5AAAASXRFWHRNYXRoTUwAPG1hdGggeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzE5OTgvTWF0aC9NYXRoTUwiPjxtaT5CPC9taT48L21hdGg+/ChvLAAAAABJRU5ErkJggg==" class="Wirisformula" alt="B" width="10" height="13" style="vertical-align:-1px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨ »«mi»B«/mi»«/math»'/> = <img src="data:image/png;base64,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" class="Wirisformula" alt="v square root of 2" width="35" height="19" style="vertical-align:-3px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨ »«mi»v«/mi»«msqrt»«mn»2«/mn»«/msqrt»«/math»'/> Average acceleration <img src="data:image/png;base64,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" class="Wirisformula" alt="equals fraction numerator v square root of 2 over denominator pi r divided by 2 v end fraction equals fraction numerator 2 square root of 2 v to the power of 2 end exponent over denominator pi r end fraction" width="153" height="39" style="vertical-align:-12px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨ »«mo»=«/mo»«mfrac»«mrow»«mi»v«/mi»«msqrt»«mn»2«/mn»«/msqrt»«/mrow»«mrow»«mi»π«/mi»«mi»r«/mi»«mo»/«/mo»«mn»2«/mn»«mi»v«/mi»«/mrow»«/mfrac»«mo»=«/mo»«mfrac»«mrow»«mn»2«/mn»«msqrt»«mn»2«/mn»«/msqrt»«msup»«mrow»«mi»v«/mi»«/mrow»«mrow»«mn»2«/mn»«/mrow»«/msup»«/mrow»«mrow»«mi»π«/mi»«mi»r«/mi»«/mrow»«/mfrac»«/math»'/>

A body of mass <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAKCAYAAAC9vt6cAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAJufgqOgAAAI5JREFUeNpjYECAeiAuB2JxIJ4ExC+B+DkQe0HlBYG4D4jfAfEnIK5kQAOroIacAeJIIGYBYnkgvg/EkkB8EIjDoeKyQPwDahkc3ALivVCbkMFTIJ6NQ1wSxmEC4m9AzIWmiJA4HJgD8X4GTEC0OMjP87EoJFocFOppWBQSLb4OKbrIEgfFLQcWhaSKkw4A8RgiEla1vLMAAABJdEVYdE1hdGhNTAA8bWF0aCB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMTk5OC9NYXRoL01hdGhNTCI+PG1pPm08L21pPjwvbWF0aD5oJvHsAAAAAElFTkSuQmCC" class="Wirisformula" alt="m" width="16" height="10" style="vertical-align:-1px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨ »«mi»m«/mi»«/math»'/> is moving with a uniform speed <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAkAAAAKCAYAAABmBXS+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAJufgqOgAAAGpJREFUeNpjYICAICBeyoAJ9gKxF4yjAsQX0BTYA/FJdF3fgJgJiX8ciF3QFYEE9aBsDyA+iMV6hoVAHAplg6y2xKYoC4i7gDgAiHcz4AAgX6wD4itAbIBLERcQ/wDiTQwEwAcg1mEgBwAA5+gQxmAj9O8AAABJdEVYdE1hdGhNTAA8bWF0aCB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMTk5OC9NYXRoL01hdGhNTCI+PG1pPnY8L21pPjwvbWF0aD476OiVAAAAAElFTkSuQmCC" class="Wirisformula" alt="v" width="9" height="10" style="vertical-align:-1px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨ »«mi»v«/mi»«/math»'/> along a circle of radius <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAKCAYAAACJxx+AAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAJufgqOgAAAFBJREFUeNpjYECAeiAuB+IMID4DxD+gfDhYBcRPgbgHiJUYsIBbQBzEgAMwAfE3BjzAHIj341MQCcTz8SmYBMTJ+BSsA2IvfAreATEHAzkAAA4KDMwPg5X6AAAASXRFWHRNYXRoTUwAPG1hdGggeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzE5OTgvTWF0aC9NYXRoTUwiPjxtaT5yPC9taT48L21hdGg++1GCAwAAAABJRU5ErkJggg==" class="Wirisformula" alt="r" width="8" height="10" style="vertical-align:-1px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨ »«mi»r«/mi»«/math»'/>, what is the average acceleration in going from <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAANCAYAAACdKY9CAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAMyZLetQAAAIdJREFUeNpjYMAPChhIAOFA/AuIWYhRLAjEl4B4NxAHEKNhJhBHAnE8EE8hpNgSiLdA2eJAfBefYpB7zwCxLJLYOSDWwKWhHohL0MRagTgLm2INqGnowB6IN2HTcBiI/+PAGMGbBsQT8PhtORB7wTiS0DDnwaMhGdnAVUDsQyCopYH4FgM5AACEKxqdNkqvogAAAEl0RVh0TWF0aE1MADxtYXRoIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8xOTk4L01hdGgvTWF0aE1MIj48bWk+QTwvbWk+PC9tYXRoPkHiA+IAAAAASUVORK5CYII=" class="Wirisformula" alt="A" width="12" height="13" style="vertical-align:-1px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨ »«mi»A«/mi»«/math»'/> to <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAANCAYAAACQN/8FAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAMyZLetQAAAJ5JREFUeNpjYMAEP4D4DxA/BOK7QLwJiCXRFakA8QU0sWYgno+uMACIl6KJBWERY6gH4nI0sYVA7IGucBXUVCYgNgDiuUBcgMUfDLeA+D8Uf8FmEgPUlC9QNhsQuwDxcSBWQ1doDsR70cSigbgLXWEk1E3IIBaIZ6MrnATEiWhic6EGoIB1SI4XBeJQaOCzoSt8h+RjUDQuB2JpBlIBAK5MH2X+n9d5AAAASXRFWHRNYXRoTUwAPG1hdGggeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzE5OTgvTWF0aC9NYXRoTUwiPjxtaT5CPC9taT48L21hdGg+/ChvLAAAAABJRU5ErkJggg==" class="Wirisformula" alt="B" width="10" height="13" style="vertical-align:-1px" role="math" data-mathml='«math xmlns=¨http://www.w3.org/1998/Math/MathML¨ »«mi»B«/mi»«/math»'/>?<img src="https://mycourses.turito.com/tokenpluginfile.php/c161933dbfaab094c54655ab71e9b8f0/1/question/questiontext/904297/1/923294/Picture8.png" alt="" width="128" height="112" />

Solution for the question - a body of mass 1 is moving with a uniform speed v along a circle of radiusi , what is the average acceleration in going from a to g