{"id":127,"date":"2014-11-10T08:23:20","date_gmt":"2014-11-10T08:23:20","guid":{"rendered":"http:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphyprelimpractice\/ppp-exercise-4c\/"},"modified":"2014-11-17T08:14:02","modified_gmt":"2014-11-17T08:14:02","slug":"ppp-exercise-4c","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphyprelimpractice\/ppp-exercise-4c\/","title":{"rendered":"PPP Exercise 4C"},"content":{"rendered":"<p><strong>1.\u00a0\u00a0 <\/strong>State an equation that links power, energy and time.<\/p>\n<p><strong>2.<\/strong>\u00a0\u00a0 Calculate the missing values in the table below.<\/p>\n<p style=\"text-align: center\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphyprelimpractice\/uploads\/sites\/5115\/2014\/11\/Picture4.png\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-155\" title=\"Picture4\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphyprelimpractice\/uploads\/sites\/5115\/2014\/11\/Picture4.png\" alt=\"\" width=\"477\" height=\"284\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphyprelimpractice\/uploads\/sites\/5115\/2014\/11\/Picture4.png 795w, 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300w\" sizes=\"(max-width: 477px) 100vw, 477px\" \/><\/a><\/p>\n<p><strong>3.<\/strong>\u00a0\u00a0 Calculate the power of an appliance which consumes 200 J of energy in 100 s.<\/p>\n<p><strong><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphyprelimpractice\/uploads\/sites\/5115\/2014\/11\/Picture5.png\"><img decoding=\"async\" class=\"size-full wp-image-157 alignright\" title=\"Picture5\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphyprelimpractice\/uploads\/sites\/5115\/2014\/11\/Picture5.png\" alt=\"\" width=\"220\" height=\"121\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphyprelimpractice\/uploads\/sites\/5115\/2014\/11\/Picture5.png 367w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/hyndsecphyprelimpractice\/uploads\/sites\/5115\/2014\/11\/Picture5-300x164.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEGgaCWV1LXdlc3QtMSJHMEUCIC4IXp8pMf0RtdQK1YgyU%2FkJYggWTswog3r2DAZM2z0aAiEAn5WYJmDsP23KVyw%2FEP2IKmnYfx%2BbiHSbrhNImpwaUpEquAUIMRAFGgwyNzM1NzAxOTU0MzMiDLK3Ymmac0OuGDnwjSqVBQgxkRKdTnGqrWjpX8GytnLeAepPZaKboQFbbIE%2BCQ6v7LCIzjnDhe%2BOV52MvzqD3JKkPtchRP3LXyroVJfzDdeMB8VF1MQy6eCXKz8GMvarcC09oBKQ%2FSYwu%2FzDM7eqBVZJOvcefYkERsSl%2Fb%2FM76Yj%2FtLFbTLLHfJ29IIdMLhSvXqSzqcc3IDnIxhS0g%2FOKr1ymVP743KzJ5pz88w764cPClH2MraXS%2BK40NXkVatUAVxHK3wIpZ%2FP%2BAx17j2JpwIHLB4aYzpNSgsg7GPxJFi%2BdY%2FiZVgqK%2Bt1ofC8jWjrjo6PmZIbvEsRAkab5cxjuTvg88y%2F7Zcd%2FrXl8mzsp3GadPIyBFlzdaW%2B4w95Bl8u%2FzrvUllnQcj1weyeoYBKl92ygqNEcfjvHGKVxmP0%2B8Y0K76JkmdmW0GHGCLWZnMR8rz9nOODtMFCTUtEnHjJReBlDWVeF9R2LbogLHIP3MFbT15%2FB7x%2B%2F51ym%2BE1ZDe6r0agnkkuj8um5N%2Bt8mDDMmvJjwTILSqr2Ru%2Bw%2FVuQlhK4F%2F6P0%2BFfps%2FIBrtLVLKFp7tnDSbi%2FOPjtd8Ca4FF9fRvNEE09EcyLfkH7e%2FLB4bk6BWxXuBiehb2cIjl5D15VvF6lyP25T9uUxlLg%2FXAn1srJyhtcLr55iNq%2FSzvtANBMm7s%2BDE7B2GpDPHprtu1ZZQLAc%2FyYt2MTIWA7LQJi5XIpLHhxT%2F4d7rlVL2o0QpI8lstp1jDSmAi0jjZU33AKDHlFslp9QnSetBOrPUxfRBGbr%2F7RvI0vxYJUKnRJ5jaoJDALD8AnP7w3cTc9YFbO8L22xZ9347M5g%2B4lz4wNJh7P%2FWugm7SW6%2BHIjQ3a0HVSo%2F7GxQ6S7eZUdmIm7zzicL8JMwkNWg1gY6sQHYEGXMdji1hPMtxqx3o6SAq7Qt3pmgBr%2FlqZm%2F2t2A6B2x50jQwWAHu5mwlGEzuVmNZ%2FTIxCF60%2Fby8jALaDQQa3qjPLPap2JlIzm7kCfxG1zNTkBbgpkokbGbyFJkGNF%2FDNZywIEUZLAKnRZihNsW6WtDZbr4ljeka8bAiTwFOduLCF2CRuAYZohmPxWg4zn9tm8nH9C%2FkTReTz9XBhYUYiWK2Nqd7J3cOe8wMHZRApM%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UTP7OO5YK%2F20261009%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261009T002823Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=e754243e0c111c8738debcac76c7ce5f005f808c85bd6e73b06ccd45fb79b605 300w\" sizes=\"(max-width: 220px) 100vw, 220px\" \/><\/a>4.<\/strong>\u00a0\u00a0 A sewing machine has a power rating of 100 W. Calculate the time it will operate for on 3000 J of energy.<\/p>\n<p><strong>5.<\/strong>\u00a0\u00a0 A steam iron consumes 32 000 J of energy in 40 s. Calculate the power of the iron.<\/p>\n<p><strong>6.<\/strong>\u00a0\u00a0 A washing machine has an average power of 600 W over its was cycle.<\/p>\n<p>(<em>a<\/em>)\u00a0\u00a0 How many joules of energy are used during a wash cycle lasting 30 minutes.<\/p>\n<p>(<em>b<\/em>)\u00a0\u00a0 At times, the power rating of the washing machine is much higher than the average of 600 W. Suggest a reason for this.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.\u00a0\u00a0 State an equation that links power, energy and time. 2.\u00a0\u00a0 Calculate the missing values in the table below. 3.\u00a0\u00a0 Calculate the power of an appliance which consumes 200 J of energy in 100 s. 4.\u00a0\u00a0 A sewing machine has a power rating of 100 W. Calculate the time it will operate for on 3000 &hellip; <a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphyprelimpractice\/ppp-exercise-4c\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">PPP Exercise 4C<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2454,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-127","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphyprelimpractice\/wp-json\/wp\/v2\/pages\/127","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphyprelimpractice\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphyprelimpractice\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphyprelimpractice\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphyprelimpractice\/wp-json\/wp\/v2\/comments?post=127"}],"version-history":[{"count":3,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphyprelimpractice\/wp-json\/wp\/v2\/pages\/127\/revisions"}],"predecessor-version":[{"id":154,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphyprelimpractice\/wp-json\/wp\/v2\/pages\/127\/revisions\/154"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphyprelimpractice\/wp-json\/wp\/v2\/media?parent=127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}