{"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 loading=\"lazy\" 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, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/hyndsecphyprelimpractice\/uploads\/sites\/5115\/2014\/11\/Picture4-300x178.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEAsaCWV1LXdlc3QtMSJHMEUCIQDGGeqpnHdxwQg1tLEClNRv93aL3m%2BELybWVUVL8CjztwIgPnl2TW4viYfLCY%2BDX4PU2HhUYCUdWIxZd4nTGD4loq4qwgUI0%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDCXgZ07ALK6%2Feo2iFyqWBfZ6c7tnhjUvFKIpRDbyciYAaFxt61oqLBk97t2mIZOc6aARM%2Bw4cQIBQXzrS1dN8wuk6MQBMHTJxznZNMIcRsx%2BwaSEOA42GSLzxvwnMgB5XBRodtVGNNiThtnwJOpD%2FTeWuKDeBmbx3WfQKLhhN2JZD7uKRAoE%2BGPx93HdoTlhWRUFi9XYsBq0SAdrqThIRpJE2A3Dk%2BoJh6%2B8kyoy7JYR9k0pVX0wKHzqDa4Wh%2F9v1Y3L%2FHMDFgJ%2BNd6j5HaeWgab7C2TEhWUQcLDHD8UW6LB1BjWV%2Bmg8C0d1XjdelLb5Z2lA7m%2FlzJ758rXel%2FI%2FA2TfMWr5z72GjzTMkCV2u7OgtGATfCJymbt73vY%2F2yFNACWuuafkEYvLwJh5a2bN%2BZqdm0OSY4KI3dFokzG%2FMwTlcIY23qOTEfKKG2JO5dGXcCgnWk7RYDJbp1%2Bmu902K7jolLlTb%2FHRPkU0R4ixY6uctasCj0OdqMcmSxyGXfxDPd7hG9r9C2cK%2FiW86B6kQqNnARTgMDAxh1y7jCrMfLOCVQF9efzYCnwXad6s2iaSNeZgdIcHD7ia8yqrRbyQp2ANrpbPKkpObtgxvDn0hDDg88CQzFI8KCXY2SI1lIJiQurambk9qEvcoqnOa48QyHaJdGOQ7Tb84mHjjihf6AwbkFpf7Pvr4Vcgm4qnh3kBXrWueMh8uqkNXQ0Jv50uitp5n%2Fke8ygiP0ImmdJJPTAoDx%2Fh2F7wZRp3rsviiinzSozNolhmG4v5KJxOysrjYsfDChcp6O1l2ofY8%2FwfPzsk0MuCBvtDRABOkcC1Rypbw1ACPwNDYwh6fNabsrYu39f9pSFM619fMlcr1A7Z%2BUxB%2FEiqlHel%2F3OX7RShlVCf6dJK%2BLYMImxwM8GOrEBXawOjnEMXZ2ghimJb6Bqdx2XdKto0ycsdoMafb4nUY8GR11%2F%2Bo7aY6LtooynviHRIar0sYCW%2FCj2rzUSHnKonMwSSdlZCpaUBji%2FKJbgK5J6Kv6yjNJAj8s3Pw05Micaw2C33TCj6lUNWpJ98PiXEjNjFfykEMAmqvOpO6AZvdS0qsBEOHqgwC3NLNbf7bsCyhJe31xBps%2BfATWhKLyWVO4cHOhMWJRp2odGsWzGrVE7&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UWDSNW6XC%2F20260428%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260428T024707Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=96dfcb6538b12402389877e759cf33f2662938b88be960f1cfc038faa716e3f1 300w\" sizes=\"auto, (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 loading=\"lazy\" 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=IQoJb3JpZ2luX2VjEAsaCWV1LXdlc3QtMSJHMEUCIQDGGeqpnHdxwQg1tLEClNRv93aL3m%2BELybWVUVL8CjztwIgPnl2TW4viYfLCY%2BDX4PU2HhUYCUdWIxZd4nTGD4loq4qwgUI0%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDCXgZ07ALK6%2Feo2iFyqWBfZ6c7tnhjUvFKIpRDbyciYAaFxt61oqLBk97t2mIZOc6aARM%2Bw4cQIBQXzrS1dN8wuk6MQBMHTJxznZNMIcRsx%2BwaSEOA42GSLzxvwnMgB5XBRodtVGNNiThtnwJOpD%2FTeWuKDeBmbx3WfQKLhhN2JZD7uKRAoE%2BGPx93HdoTlhWRUFi9XYsBq0SAdrqThIRpJE2A3Dk%2BoJh6%2B8kyoy7JYR9k0pVX0wKHzqDa4Wh%2F9v1Y3L%2FHMDFgJ%2BNd6j5HaeWgab7C2TEhWUQcLDHD8UW6LB1BjWV%2Bmg8C0d1XjdelLb5Z2lA7m%2FlzJ758rXel%2FI%2FA2TfMWr5z72GjzTMkCV2u7OgtGATfCJymbt73vY%2F2yFNACWuuafkEYvLwJh5a2bN%2BZqdm0OSY4KI3dFokzG%2FMwTlcIY23qOTEfKKG2JO5dGXcCgnWk7RYDJbp1%2Bmu902K7jolLlTb%2FHRPkU0R4ixY6uctasCj0OdqMcmSxyGXfxDPd7hG9r9C2cK%2FiW86B6kQqNnARTgMDAxh1y7jCrMfLOCVQF9efzYCnwXad6s2iaSNeZgdIcHD7ia8yqrRbyQp2ANrpbPKkpObtgxvDn0hDDg88CQzFI8KCXY2SI1lIJiQurambk9qEvcoqnOa48QyHaJdGOQ7Tb84mHjjihf6AwbkFpf7Pvr4Vcgm4qnh3kBXrWueMh8uqkNXQ0Jv50uitp5n%2Fke8ygiP0ImmdJJPTAoDx%2Fh2F7wZRp3rsviiinzSozNolhmG4v5KJxOysrjYsfDChcp6O1l2ofY8%2FwfPzsk0MuCBvtDRABOkcC1Rypbw1ACPwNDYwh6fNabsrYu39f9pSFM619fMlcr1A7Z%2BUxB%2FEiqlHel%2F3OX7RShlVCf6dJK%2BLYMImxwM8GOrEBXawOjnEMXZ2ghimJb6Bqdx2XdKto0ycsdoMafb4nUY8GR11%2F%2Bo7aY6LtooynviHRIar0sYCW%2FCj2rzUSHnKonMwSSdlZCpaUBji%2FKJbgK5J6Kv6yjNJAj8s3Pw05Micaw2C33TCj6lUNWpJ98PiXEjNjFfykEMAmqvOpO6AZvdS0qsBEOHqgwC3NLNbf7bsCyhJe31xBps%2BfATWhKLyWVO4cHOhMWJRp2odGsWzGrVE7&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UWDSNW6XC%2F20260428%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260428T024707Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=9bf373596275dac2871fd419e751ea16c8252f30b3a28d83ceee777e2ac2e354 300w\" sizes=\"auto, (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}]}}