{"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=IQoJb3JpZ2luX2VjEN%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJIMEYCIQDmMDxBqAIAq9J78r5zy5CNBg5cAuZJSJFuevvWsNMaigIhAKshkusS9dbec7XOP49drSLlZ8hwTD8zPxIqbLVHQ7ijKsIFCKj%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQBRoMMjczNTcwMTk1NDMzIgzuCosMO3PPlRQmSQYqlgX5PDUYnfSd9tj3UmiVw0vFmyvIsCRCDRtFD3KOOZF7oQfOWa42iSJER5nRBNWYC4iMaGL1hrKwsefwIc2AHaVHdE1cuUrRIfq99ainlUdx4vZOD4lQQcDEshXguJ2BTyV%2FRZ%2FX9Dx2hquHNzsac974U0l0GjG7YMBzjuZYWaGRFiUY05g6EgNOVG9s4LXrwlZz3eetu9id%2F%2B%2FnyANPP%2FLlqj0l1AiTKoPwUZSv9FQqihV22yxduq5OLfuw90LJshLuhF2mtarcl5jUKgZa2m7ERfoHi8XmaJkqLACO2Wg3Kh0iF%2FGuC1BWjKCLy65MuSbIo3kuZ%2FAMBRbajyfXEFYncHKwivE53rBzvDpylWNUH6QUtuet22NojY7R789VT6x7OYuc0EO%2FJF5gbv6UqtlrGWxzuIrMpqUQCaumqywExWzCTeXY8bP4XDvetdlqgtmY2WKqFGBCDS1Tlqibu%2B566I8MOPyrLQEe9kTDSGR%2BR18uX%2F1RQixrDycQSFKzdOQLvtpBlS1BCdCdv03bfB0OK1Ild8t%2FSHEPxHaRuJPchWxsaTQy8im7MQu50m8jA30kb6hnrDwTRqM0jftEuqtZAN40sZSHnPj6z8cy8zmuzUEEp3nBoVXpu7eIllr46zIK0mvxSxX7KkbsPJciA7a4fSTRI79y%2FU2dxRQ3EHZ1jH0mi51jXyRRWhPMfXi2B3vwg9aBo9E%2Bhgz%2BWfjLCa2yU3ek4J5KrQrHg4IS0pYS8MC83UkAlIvIBAQimWi08JnJNSHUBHUKmbZZIkUJXSydmjy2%2BYEKxNwwbyRIXwhi%2FESX9k%2FvReZmoIwBhv9NBI4H9yxxfNziK%2FVjuXAOwa2ypCBaml07qIyQapWruB%2Fh9vQElN2U2DCu7pfRBjqwAcKywAJKdWEg1taoLeo1gK4qsx4aL8CvayFiBkbOnaGYdByUowzCWY%2Bkq%2BB3dZIgaDfVfxpGJfteMZrgP9xGfcQ%2B6o0aTkWltN8EvtMhYR8OeNop5nQucjV39ckwJHBwgxHrXoUwUwa3HZWYvnYbW%2B1EGdbLRAF5hXpY%2F1MdR2hR0oUcg3Q4uk3Xx4FN0UjGs2fJohJVs9FBNaxvW7nDzaCUa8%2B9fPRqMleW3Qpin%2BZM&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U4KZK6GNP%2F20260607%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260607T231455Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=a03dff65261cbca70d5877d5275361852294445fd577abedac69ce569fe91378 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=IQoJb3JpZ2luX2VjEN%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJIMEYCIQDmMDxBqAIAq9J78r5zy5CNBg5cAuZJSJFuevvWsNMaigIhAKshkusS9dbec7XOP49drSLlZ8hwTD8zPxIqbLVHQ7ijKsIFCKj%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQBRoMMjczNTcwMTk1NDMzIgzuCosMO3PPlRQmSQYqlgX5PDUYnfSd9tj3UmiVw0vFmyvIsCRCDRtFD3KOOZF7oQfOWa42iSJER5nRBNWYC4iMaGL1hrKwsefwIc2AHaVHdE1cuUrRIfq99ainlUdx4vZOD4lQQcDEshXguJ2BTyV%2FRZ%2FX9Dx2hquHNzsac974U0l0GjG7YMBzjuZYWaGRFiUY05g6EgNOVG9s4LXrwlZz3eetu9id%2F%2B%2FnyANPP%2FLlqj0l1AiTKoPwUZSv9FQqihV22yxduq5OLfuw90LJshLuhF2mtarcl5jUKgZa2m7ERfoHi8XmaJkqLACO2Wg3Kh0iF%2FGuC1BWjKCLy65MuSbIo3kuZ%2FAMBRbajyfXEFYncHKwivE53rBzvDpylWNUH6QUtuet22NojY7R789VT6x7OYuc0EO%2FJF5gbv6UqtlrGWxzuIrMpqUQCaumqywExWzCTeXY8bP4XDvetdlqgtmY2WKqFGBCDS1Tlqibu%2B566I8MOPyrLQEe9kTDSGR%2BR18uX%2F1RQixrDycQSFKzdOQLvtpBlS1BCdCdv03bfB0OK1Ild8t%2FSHEPxHaRuJPchWxsaTQy8im7MQu50m8jA30kb6hnrDwTRqM0jftEuqtZAN40sZSHnPj6z8cy8zmuzUEEp3nBoVXpu7eIllr46zIK0mvxSxX7KkbsPJciA7a4fSTRI79y%2FU2dxRQ3EHZ1jH0mi51jXyRRWhPMfXi2B3vwg9aBo9E%2Bhgz%2BWfjLCa2yU3ek4J5KrQrHg4IS0pYS8MC83UkAlIvIBAQimWi08JnJNSHUBHUKmbZZIkUJXSydmjy2%2BYEKxNwwbyRIXwhi%2FESX9k%2FvReZmoIwBhv9NBI4H9yxxfNziK%2FVjuXAOwa2ypCBaml07qIyQapWruB%2Fh9vQElN2U2DCu7pfRBjqwAcKywAJKdWEg1taoLeo1gK4qsx4aL8CvayFiBkbOnaGYdByUowzCWY%2Bkq%2BB3dZIgaDfVfxpGJfteMZrgP9xGfcQ%2B6o0aTkWltN8EvtMhYR8OeNop5nQucjV39ckwJHBwgxHrXoUwUwa3HZWYvnYbW%2B1EGdbLRAF5hXpY%2F1MdR2hR0oUcg3Q4uk3Xx4FN0UjGs2fJohJVs9FBNaxvW7nDzaCUa8%2B9fPRqMleW3Qpin%2BZM&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U4KZK6GNP%2F20260607%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260607T231455Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=a628db82f5c287756ad6f588f3006b5437cb12227ad9061a5028860b0ff64e9e 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}]}}