{"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=IQoJb3JpZ2luX2VjEK7%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIQChYeJYYpUf0Tg8PM1Wj5WGua3T%2BLCXY16RGPXOAbGIvQIgOmkEfheO4UD5vgQx7cmzgTfebGHNxAOoUbhSDvuOeZQquQUIdxAFGgwyNzM1NzAxOTU0MzMiDDopW%2BUDg%2FEN%2FOlG4iqWBRAayisdhGPggbv5LQSgXY9c%2FEXwzZ2lI%2BSIfflCrlql%2FITUbgqJk2uMyzR%2FmR9guLhinbQkSgTy0Juivm%2Bof%2FqkpfNWVJTu3eI4RkP3OYRH%2B%2FsmyYwiYAw1XcuI0XknlruymW2g6V88aAKGKVGgdgFoqOpJ8kB4s8DAXu6geiIaKIA9eqIJPwzjnSh8dnUdX1vucyllfzCI2SpK2D149kzlIAwAgP7keC1ghiKRwQOVh6XJwD%2B4lArUGHYKmS%2B4RisPr9a4Qoa%2BrxA3BtcBkCDXGxKqL5vwh4xcbI5p%2F7%2FUCGH6RnwNQ3gE9%2FdM0DPUiiZq3wuvnZZZfQ7ZsmGzl3l5EhAFF7OMoI81mAot1uHGXieSZCVAOeOpf05l1Oepxqb%2FGkHjPc7ePKL8%2F60tCy8OvOXNXNZce7JGTSaUmjZnAq96xuanKj%2Big3LKTDmJe34TFU%2F0BDABiRs2dKbMkL2fg02RplSCQ%2B0WGCsnwj8PC%2FHRIaHMFVxTgaC90zVPqW2m9%2BCrzyWfkwa8Oxs4x8TAaEaRVuebS%2BuY6b6cWlAzIPcx2JghgNR%2Bm4GFTwMg5JqRWVZF6GmSbZBPZDL00SoJ%2BAhVXMTfKreDvqTDAUe0WbBfyYqIYy9l6bbbM5Kw6boerdR%2BNbcvAxFm9WaRz3l95G0we1l%2BQfl1WhoJZ6HfF5QGoonj3fzdBxZPDrPsVNhIuECDfD1IDJGP2lL%2BDzxFjCfY8nD6zuCfW%2BIhKQVRFjGaBQyt2u7BcETrkphKehK%2BZOTggUjU3f%2BJ7GjkdvIMM9UYBm9Rx%2BlRDXid9XRNTZ3TtN3wPRmMbKbLl5pj1oilZ7VgAW3w7vZNGsDNlbR5cLzVN9ZGtMgsEf4e6%2BnJN61pBibUMO6J7tIGOrEB0SSM3W%2FbE%2BgMUcm64iQd6XpLe0ceolx%2F16auRx%2BOR4PAfzihCSQU0z5rUxzrKYRjvcoCmDZDoodAZ9vNZ0r8cF3UcRBQM0lqJb8fx0QTiZ21NBcCKf8AewQ1oLxI6I1M6VSFynSjDC0GM5QXmLAkbCcufbHGyqDcJkUAT1jlrJxj9lpFHPiftIwhd%2BmQYEubU5MkVZPByvNY9%2B%2FpRUWenHoHMWaxTBJSJ20zP3CXCKMA&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UV6AEDBGV%2F20260718%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260718T141520Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=3e42b93517e46f6a8a1873d5f8eba9594236d3d1a10918a7490ba5f2cf95c08e 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}]}}