{"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=IQoJb3JpZ2luX2VjEIb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIQC7nAOanskFKHh3erAZZdaxCdlMLY33Fq1U60IXbSJFbwIgN05ixJHpUhO8MPrwnIRx8wZGj21NYCF3GdPT7IUqgXQquAUIThAFGgwyNzM1NzAxOTU0MzMiDHxENPPktj1cYCrNNSqVBYnIjRCJJP05gp0uCYTKSpKLskZju7VxlDIw0F8bJxLFM1IohgMBR20Crc0X%2BSVWVFQELwWH%2F9d3X8ooWxXEusj4z5CSukuQQe3WX1BwN52CPFKuhcFQvj6hnBnPXWn1nkp3SdAN4wubxlhx8%2Fju%2F3M1ZLNnXBsW8ASAqjN0s%2BCDSNW4oJMucDWFYaoJRK8jpm0gTtohsPBkjrOwXQxNLGvtcMQE5x%2FDFGeeLK64i5mN6d4wfzcdtNzXJ9Dv%2FiP%2Btk%2Bj7MOwsrr8Qj5dJK4zCYeQUhQQZ49xtjo1K%2BreQZd5F2pvSwJJGAXH0bNTVDmAMfqsuIfh0Mky%2BX%2BlnkfASLIp6Sv%2BtLfqwrMzcVVdffOHBrX2wVDAiZKIjR6YA%2BttiLzCtrVfd%2FWegQh9M04HlYZ4Gdnt8rpuqVTr7JA18I2aC87Iim9o6YTT48pcA1jTokfcoYbwIqWve0kNhNf2jkyfPnrDPVyL%2BMIbKAh1vfYWY9HAY99Phv3%2B0p7%2FnmMwkJQsGToXHg2P4gX4Wzmm1UB%2Bydg61GWM9nmqW3bMXmztuh%2BYbpBC9e4Pn7VBZoD1fpcLlykPAnF72h6CMKEwdvNXW1l%2BpZ45Hhnwt4GDm9mVbNAkAanue1RX7r0954X7o%2Bjh0kUGu66GlJ00AZXdBxqVa0zCwVtaqnc83xBxAF9yyb3JalsXbraCf6JVKYgCz5sa7ZFAY50e%2BmYeTEG9Q76e9a7Uavas%2FMQsVa0J729lmgqArFI7FVx0BqKjrK4TVF7kkJ9pgXDgHIY%2FNCM%2BULDSeebt4qTEuQn6HYINwuZ0Ur3uQ6mFzpMEgZg8XUxSU7wDlOXDPMiC1vIendQFKbJSm9SiXmJcVD9iI0U%2BpxUGRjfjR9YwxJTG1AY6sQE933ZL9O5%2BUNNJZo5xF7AT%2Fe4%2FZZ82atNNMv4TH3P6JRB93rFelemxh93Oy2WtjJUeCt%2FYmdO5dJWKiTzAQS09lauJIl61dT9S%2BTx%2B71BKXHBuUn7KV%2BGuRCWoynpLGRBFaDrtBmuFdgKKFXKnB28Lne2GIWEQeKfkqF5OHyoPFzj%2B%2FC%2FrPZHSLbi721CNjjyqGhmdUX4NQf%2BQXEICgUcLohEcz5lE7Qf5ZTaPQSQZVUI%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5XLZ3DXD%2F20260828%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260828T135114Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=c18e9aa8a7db22518438ef6c843389694a13c3c9e533147c1b86aae203096894 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}]}}