{"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\" 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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=IQoJb3JpZ2luX2VjEFAaCWV1LXdlc3QtMSJHMEUCICLgqw8haq6F%2BAZfgn8uoxC%2BNANR%2BCpLuK6m0fqeREbRAiEAtSZMMmfou53bHa%2FiBXFRMn2j11fPHO891h5vqCx7pbcquAUIGRAFGgwyNzM1NzAxOTU0MzMiDD%2F3K6ih0LrsO30VdyqVBfaaxnW3cpIyQ8bWub9t9GncOvGQkQn884U54EaaEaUCwxoAeOBuumT8HRi2cPBpetR8aALc9kMG07txNNdj0C8aDMTcF994ckFQgtKf4lbI%2BMCryZhnsFDPxZ4qOC7lHBZ6vvxIKVwPRG%2Fd5Tvj1tAmYwllGvSMQX%2BbrS4%2FIWSroXvDlU%2FIENz8EznnAd9s3epiQh5%2BnHNrsjtsRP8973k1zWSEmL33dWuo1cmDP4YPe46b09Rvg0%2FjlSYvBJhNkC0dbTyFsvKPRNwAiQVZZ6o9VWv%2Bkj5vwgYqqCJLVeSaP3sADru0Suz34DKUHVnSDPw5Z9gBtrTxpWl8zI0Wc1g6BE6G7WBnGJ52fGJkxwPC%2FoCGEtrYGzb9bA%2B%2F4GKqPI4RF%2BWmw5ZyMDSizhC6Oc9RDFfg2kQb0zTldJRFNFgVBIm9dAL5HI0d9qcqyd28ivA31mW9ooymqm2nPRrPNuBHk7%2BJ%2F6QG8hj75hNm1TTGyEv2kPwaawnsxLIUMPmMZyD3Hy2d54DtsjznPxARLicE8t9N6C1umdGlkKKPsK1xFBz1Aav7UR9S1ozYi7QmQ9RQCZhnC8pk2%2BmsWyjIIKv5xyt5PXY6ELaDowWpOwe9NrpnqaPXJmnOf2kYQIRbaFV%2BZuoxCcmgcsbjwvsCCDs2fCqN%2FFjwHm158cGvQWUoAdVtn3c%2F2y5hSbS3GU7S1D%2Fir1OzsAPLiFQofaREYaR3VsxNrA6QXmGiW7q%2FYXT3LAyQ%2BlzG5kmp9xu5BZXlFHIOU8vsfWlHrNqS3rNcveduD9BRFIX9CB64vYJxJHSd%2BDlDy26t779KKJBSV3R6f5UVoMHwIqMGsIck%2B6Vr9q86LcdQHxz5u2bjLDrwhd8OCP%2BBKH8wofeL1wY6sQGr0IHDcpnarAyBBmpGNHGLmYHgrI4tLrINNFw9vKAtrrBp%2Bu4fARkRTDKWsu89kgYJ5NYViMKtdX7CT2TZPf8LJhQ8JbzzX%2BG1wIYA0PXVta8dbO7eczKf9KZ8w8HbA9oYoDJVxdMDCjNTrQHjW%2BabSHecfTtbj3PK77eukxqToCtwAxqkMy6ULzYhG9y32pBaNkWFJF6iInFHC6CVmZ%2FTtvx7wAtcXYAB1bBcBhEpVX4%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVDZLNVX7%2F20261029%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261029T080859Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=245d137ae04fba070cf87fa4f74a8e7b26bc6adb9cc6f4af08d7ab0b43e7f78d 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}]}}