{"id":7,"date":"2016-05-04T11:26:59","date_gmt":"2016-05-04T11:26:59","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/advancedhigher\/?page_id=7"},"modified":"2016-05-04T13:04:40","modified_gmt":"2016-05-04T13:04:40","slug":"tutorial-2","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/advancedhigher\/tutorial-2\/","title":{"rendered":"Tutorial 2"},"content":{"rendered":"<h1><\/h1>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>Angular motion<\/strong><\/p>\n<p>&nbsp;<\/p>\n<ol>\n<li>Convert the following from degrees to radians:<\/li>\n<\/ol>\n<p>30<sup>o<\/sup>, 45<sup>o<\/sup>, 60<sup> o<\/sup>, 90<sup> o<\/sup>, 180<sup> o<\/sup>, 270<sup> o<\/sup>, 360<sup> o<\/sup>, 720<sup> o<\/sup>.<\/p>\n<p>&nbsp;<\/p>\n<ol start=\"2\">\n<li>Convert the following from radians to degrees:<\/li>\n<\/ol>\n<p>1 rad, 10 rad, 0.1 rad, \u03c0 rad, 2\u03c0 rad, \u03c0\/2 rad,\u00a0 \u03c0\/6 rad.<\/p>\n<p>&nbsp;<\/p>\n<ol start=\"3\">\n<li>Convert the following from revolutions per minute to radians per second:<\/li>\n<\/ol>\n<p>33 rpm,\u00a0 45 rpm,\u00a0 78 rpm,\u00a0 300 rpm.<\/p>\n<p>&nbsp;<\/p>\n<ol start=\"4\">\n<li>Using calculus notation write down the expression for<\/li>\n<\/ol>\n<p>(a)\u00a0\u00a0 the angular velocity in terms of the angular displacement<\/p>\n<p>(b) \u00a0 the angular acceleration in terms of the angular velocity<\/p>\n<p>(c)\u00a0\u00a0 the angular acceleration in terms of the angular displacement.<\/p>\n<p>&nbsp;<\/p>\n<ol start=\"5\">\n<li>State the three equations which can be used when an object moves with a constant angular acceleration, \u03b1.<\/li>\n<\/ol>\n<p>State the meaning of each symbol used.<\/p>\n<p>&nbsp;<\/p>\n<ol start=\"6\">\n<li>A disc is slowed uniformly at 5.0 rad s<sup>-2<\/sup> for 4.0 s. The initial angular velocity is 200\u00a0rad s<sup>-1<\/sup>.<\/li>\n<\/ol>\n<p>(a)\u00a0\u00a0 Determine the angular velocity at the end of the four seconds.<\/p>\n<p>(b)\u00a0\u00a0 What is the angular displacement in this time?<\/p>\n<p>&nbsp;<\/p>\n<ol start=\"7\">\n<li>The angular velocity of an engine is increased from 800 rpm to 3 000 rpm in 8.0 s.<\/li>\n<\/ol>\n<p>(a)\u00a0\u00a0 Determine the angular acceleration.\u00a0 You may assume this is uniform.<\/p>\n<p>(b)\u00a0\u00a0 Find the total angular displacement.<\/p>\n<p>(c)\u00a0\u00a0 How many revolutions does the engine make during this 8.0 s?<\/p>\n<p>&nbsp;<\/p>\n<ol start=\"8\">\n<li>A wheel accelerates uniformly from rest at 3.0 rad s<sup>-2<\/sup> for 5.0 s.<\/li>\n<\/ol>\n<p>(a)\u00a0\u00a0 Find<\/p>\n<p>(i)\u00a0\u00a0\u00a0 the final angular velocity after 5.0 s<\/p>\n<p>(ii)\u00a0\u00a0 the angular displacement after 5.0 s.<\/p>\n<p>(b)\u00a0\u00a0 The wheel has a radius of 1.50 m. Determine the linear velocity at a point on its rim at the end of the 5.0 s.<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<ol start=\"9\">\n<li>Radius of Earth = 6.4 x 10<sup>3<\/sup> km Geostationary orbit radius = 3.6 x 10<sup>4<\/sup> km<\/li>\n<\/ol>\n<p>Radius of Earth\u2019s orbit = 1.5 x 10<sup>8<\/sup> km\u00a0\u00a0\u00a0\u00a0\u00a0 Radius of Moon\u2019s orbit = 3.8 x 10<sup>5<\/sup> km<\/p>\n<p>Period of Earth about Sun = 365 days\u00a0\u00a0\u00a0\u00a0 Period of Moon about Earth = 28 days<\/p>\n<p>&nbsp;<\/p>\n<p>(a)\u00a0\u00a0 Calculate the angular velocity in rad s<sup>-1<\/sup> of<\/p>\n<p>(i)\u00a0 the Earth about the sun<\/p>\n<p>(ii) \u00a0 the Moon about the Earth<\/p>\n<p>(iii)\u00a0\u00a0 an object on the Earth\u2019s surface about its axis of rotation<\/p>\n<p>(iv)\u00a0 a geostationary satellite.<\/p>\n<p>(b)\u00a0\u00a0 Find the tangential velocity in m s<sup>-1 <\/sup>of each of the above quantities in part (a).<\/p>\n<p>&nbsp;<\/p>\n<ol start=\"10\">\n<li>Derive\u00a0the expression v = r\u03c9\u00a0for a particle in circular motion.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Angular motion &nbsp; Convert the following from degrees to radians: 30o, 45o, 60 o, 90 o, 180 o, 270 o, 360 o, 720 o. &nbsp; Convert the following from radians to degrees: 1 rad, 10 rad, 0.1 rad, \u03c0 rad, 2\u03c0 rad, \u03c0\/2 rad,\u00a0 \u03c0\/6 rad. &nbsp; Convert the following from revolutions per minute &hellip; <a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/advancedhigher\/tutorial-2\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Tutorial 2<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":6460,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-7","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/advancedhigher\/wp-json\/wp\/v2\/pages\/7","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/advancedhigher\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/advancedhigher\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/advancedhigher\/wp-json\/wp\/v2\/users\/6460"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/advancedhigher\/wp-json\/wp\/v2\/comments?post=7"}],"version-history":[{"count":4,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/advancedhigher\/wp-json\/wp\/v2\/pages\/7\/revisions"}],"predecessor-version":[{"id":17,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/advancedhigher\/wp-json\/wp\/v2\/pages\/7\/revisions\/17"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/advancedhigher\/wp-json\/wp\/v2\/media?parent=7"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}