Kinetic Energy Store - Revision history

Ellen References at 16:24, 13 December 2019

2019-12-13T16:24:55Z

Ellen References at 10:13, 22 November 2019

2019-11-22T10:13:59Z

Ellen References at 18:47, 7 November 2019

2019-11-07T18:47:29Z

NRJC: /* Calculating Velocity from Kinetic Energy */

2019-04-13T16:45:42Z

‎Calculating Velocity from Kinetic Energy

NRJC: /* Calculating Kinetic Energy */

2019-04-13T16:45:23Z

‎Calculating Kinetic Energy

NRJC: /* Calculating Kinetic Energy */

2019-04-13T16:44:31Z

‎Calculating Kinetic Energy

NRJC: /* Calculating Velocity from Kinetic Energy */

2019-04-13T16:44:19Z

‎Calculating Velocity from Kinetic Energy

NRJC: /* Calculating Velocity from Kinetic Energy */

2019-04-13T16:43:55Z

‎Calculating Velocity from Kinetic Energy

NRJC at 16:19, 13 April 2019

2019-04-13T16:19:14Z

NRJC at 13:03, 6 April 2019

2019-04-06T13:03:14Z

← Older revision		Revision as of 16:24, 13 December 2019
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	:[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Kinetic energy (KE), pages 34, 41, 156, 192, GCSE Physics, Pearson Edexcel '']		:[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Kinetic energy (KE), pages 34, 41, 156, 192, GCSE Physics, Pearson Edexcel '']
	:[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Kinetic energy stores, pages 61, 66, 200, GCSE Physics, CGP, Edexcel '']		:[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Kinetic energy stores, pages 61, 66, 200, GCSE Physics, CGP, Edexcel '']
		+
		+	====OCR====
		+	:[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Kinetic energy stores, page 167, 202, 206, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR '']
		+	:[https://www.amazon.co.uk/gp/product/1782945687/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945687&linkCode=as2&tag=nrjc-21&linkId=9a598e52189317a20311d7a632747bc9 ''Kinetic energy stores, pages 14, 32, 34, 82, 86, Gateway GCSE Physics; The Revision Guide, CGP, OCR '']
		+	:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Kinetic energy/store, pages 58-59, 192, 194-199, 285, Gateway GCSE Physics, Oxford, OCR '']

← Older revision		Revision as of 10:13, 22 November 2019
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	:[https://www.amazon.co.uk/gp/product/1782946403/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946403&linkCode=as2&tag=nrjc-21&linkId=32a0abb60dff015b15b50e9b1d7b4644 ''Kinetic energy stores; of particles, pages 34, 100, 104, GCSE Combined Science Trilogy; Physics, CGP, AQA '']		:[https://www.amazon.co.uk/gp/product/1782946403/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946403&linkCode=as2&tag=nrjc-21&linkId=32a0abb60dff015b15b50e9b1d7b4644 ''Kinetic energy stores; of particles, pages 34, 100, 104, GCSE Combined Science Trilogy; Physics, CGP, AQA '']
	:[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Kinetic energy stores; of particles, pages 35, 110, 114, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA '']		:[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Kinetic energy stores; of particles, pages 35, 110, 114, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA '']
		+
		+	====Edexcel====
		+
		+	:[https://www.amazon.co.uk/gp/product/1292120193/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120193&linkCode=as2&tag=nrjc-21&linkId=572df39392fb4200db8391d98ae6314e ''Kinetic energy (KE), pages 316, 323, GCSE Combined Science, Pearson Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Kinetic energy (KE), pages 34, 41, 156, 192, GCSE Physics, Pearson Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Kinetic energy stores, pages 61, 66, 200, GCSE Physics, CGP, Edexcel '']

← Older revision		Revision as of 18:47, 7 November 2019
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	<math>v \approx 160m/s</math>		<math>v \approx 160m/s</math>
	\|}		\|}
		+
		+	===References===
		+	====AQA====
		+
		+	:[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe10021 ''Kinetic energy stores, page 169, GCSE Combined Science; The Revision Guide, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/178294558X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294558X&linkCode=as2&tag=nrjc-21&linkId=f0dfb66dafcb0c6e9449e7b1a4ae1ac270 ''Kinetic energy stores, pages 11, 15, GCSE Physics; The Revision Guide, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1782946403/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946403&linkCode=as2&tag=nrjc-21&linkId=32a0abb60dff015b15b50e9b1d7b4644 ''Kinetic energy stores, pages 21, 25, 27, 30, GCSE Combined Science Trilogy; Physics, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Kinetic energy stores, pages 22, 26, 28, 31, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1782946403/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946403&linkCode=as2&tag=nrjc-21&linkId=32a0abb60dff015b15b50e9b1d7b4644 ''Kinetic energy stores; of particles, pages 34, 100, 104, GCSE Combined Science Trilogy; Physics, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Kinetic energy stores; of particles, pages 35, 110, 114, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA '']

← Older revision		Revision as of 16:45, 13 April 2019
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	v = The [[speed]] or [[velocity]] of the [[object]].		v = The [[speed]] or [[velocity]] of the [[object]].
		+
		+	===Calculating Kinetic Energy===
		+	{{#ev:youtube\|https://www.youtube.com/watch?v=D-eCSsnFEy0}}
		+
		+	{\| class="wikitable"
		+	\| style="height:20px; width:200px; text-align:center;" \|A 700kg formula one racing car has a top speed of 100m/s. Calculate the '''kinetic energy''' of the [[car]] to two [[Significant Figures\|significant figures]].
		+
		+	\| style="height:20px; width:200px; text-align:center;" \|A cheetah of mass 75kg runs at a speed of 32m/s. Calculate the '''kinetic energy''' of the cheetah correct to two [[Significant Figures\|significant figures]].
		+
		+	\| style="height:20px; width:200px; text-align:center;" \|A 160g cricket ball is hit at 44m/s. Calculate the '''kinetic energy''' of the cricket ball correct to two [[Significant Figures\|significant figures]].
		+
		+	\|-
		+	\| style="height:20px; width:200px; text-align:left;" \|'''1. State the known quantities'''
		+
		+	m = 700kg
		+
		+	v = 100m/s
		+	\| style="height:20px; width:200px; text-align:left;" \|'''1. State the known quantities'''
		+
		+	m = 75kg
		+
		+	v = 32m/s
		+	\| style="height:20px; width:200px; text-align:left;" \|'''1. State the known quantities'''
		+	m = 160g
		+
		+	'''Convert [[mass]] into [[kilogram]]s.'''
		+
		+	m<sub>in kilograms</sub> = <math>\frac{160}{1000}</math>
		+
		+	m = 0.16kg
		+
		+	v = 32m/s
		+
		+	\|-
		+	\| style="height:20px; width:200px; text-align:left;" \|'''2. [[Substitute (Maths)\|Substitute]] the numbers into the [[equation]] and [[Solve (Maths)\|solve]].'''
		+
		+	<math>E_k = \frac{1}{2} m v^2</math>
		+
		+	<math>E_k = \frac{1}{2} \times 700 \times 100^2</math>
		+
		+	<math>E_k = \frac{1}{2} \times 700 \times 10,000</math>
		+
		+	<math>E_k = 3,500,000J</math>
		+
		+	\| style="height:20px; width:200px; text-align:left;" \|'''2. [[Substitute (Maths)\|Substitute]] the numbers into the [[equation]] and [[Solve (Maths)\|solve]].'''
		+
		+	<math>E_k = \frac{1}{2} m v^2</math>
		+
		+	<math>E_k = \frac{1}{2} \times 75 \times 32^2</math>
		+
		+	<math>E_k = \frac{1}{2} \times 75 \times 1024</math>
		+
		+	<math>E_k = 38,400J</math>
		+
		+	<math>E_k \approx 38000J</math>
		+	\| style="height:20px; width:200px; text-align:left;" \|'''2. [[Substitute (Maths)\|Substitute]] the numbers into the [[equation]] and [[Solve (Maths)\|solve]].'''
		+
		+	<math>E_k = \frac{1}{2} m v^2</math>
		+
		+	<math>E_k = \frac{1}{2} \times m \times v^2</math>
		+
		+	<math>E_k = \frac{1}{2} \times 0.16 \times 44^2</math>
		+
		+	<math>E_k = \frac{1}{2} \times 0.16 \times 1936</math>
		+
		+	<math>E_k = 154.88J</math>
		+
		+	<math>E_k \approx 150J</math>
		+	\|}

	===Calculating Velocity from Kinetic Energy===		===Calculating Velocity from Kinetic Energy===

@@ Line 24: / Line 24: @@
 ===Calculating Kinetic Energy===
 {| class="wikitable"
 | style="height:20px; width:200px; text-align:center;" |A 700kg formula one racing car has a top speed of 100m/s. Calculate the '''kinetic energy''' of the [[car]] to two [[Significant Figures|significant figures]].

@@ Line 118: / Line 118: @@
 ===Calculating Velocity from Kinetic Energy===
 {| class="wikitable"
 | style="height:20px; width:200px; text-align:center;" |A 75kg person has a '''kinetic energy''' of 96J while while walking. Calculate their [[speed]].

@@ Line 92: / Line 92: @@
 ==Key Stage 4==
 ===Meaning===
 The '''kinetic energy store''' is the [[Energy Store|energy store]] associated with moving [[object]]s.

@@ Line 27: / Line 27: @@
 | style="height:20px; width:200px; text-align:center;" |A 700kg formula one racing car has a top speed of 100m/s. Calculate the '''kinetic energy''' of the [[car]] to two [[Significant Figures|significant figures]].
-| style="height:20px; width:200px; text-align:center;" |A cheetah of mass 75kg runs at a speed of 32m/s. Calculate the '''kinetic energy''' of the [[cheetah]] correct to two [[Significant Figures|significant figures]].
+| style="height:20px; width:200px; text-align:center;" |A cheetah of mass 75kg runs at a speed of 32m/s. Calculate the '''kinetic energy''' of the cheetah correct to two [[Significant Figures|significant figures]].
 | style="height:20px; width:200px; text-align:center;" |A 160g cricket ball is hit at 44m/s. Calculate the '''kinetic energy''' of the cricket ball correct to two [[Significant Figures|significant figures]].