People's Education Edition Physics for Grade 8, Volume 2
People's Education Edition Ninth Grade Physics Complete Book
Shanghai Science Edition Ninth Grade Physics
People's Education Edition Physics for Grade 8, Volume 1
Shanghai Science Edition 8th Grade Physics
Beijing Normal University eighth grade physics volume one
Lu Jiao Edition Ninth Grade Physics Volume 1
Beijing Normal University Ninth Grade Physics Volume 1
Lu Jiao Edition Ninth Grade Physics Volume 2
Lu Ke Edition High School Physics Compulsory Course One
Guangdong and Shanghai Edition Ninth Grade Physics Volume 1
People's Education Press High School Physics Compulsory Course II
Guangdong and Shanghai version of eighth grade physics volume 2
Beijing Normal University Ninth Grade Physics Volume 2
Lu Jiao Edition Eighth Grade Physics Volume 2
Guangdong and Shanghai Edition Ninth Grade Physics Volume 2
!["Power" Mechanical and Power PPT Courseware 2](http://daogebangong.oss-cn-beijing.aliyuncs.com/ppt/preview/1/79ba6562-8174-4796-913f-789a1d5aaf2d.webp)
Category | Format | Size |
---|---|---|
Beijing Normal University eighth grade physics volume 2 | pptx | 6 MB |
Description
"Power" Mechanical and Power PPT Courseware 2
speed
1. Physical meaning: a physical quantity that describes how fast an object moves.
2. Definition: The distance traveled by an object per unit time.
3. Formula: v=S/t
4. Unit: m/s Km/h
Power
1. Physical meaning: a physical quantity that describes how quickly an object does work.
2. Definition: The work done by an object per unit time.
3. Formula: P=W/t
4. Unit and conversion: 1W=1J/s
1MW=106W 1KW=103W
practise
Known: F=50N v=2m/s t=5s
Ask for: 1) W=? 2)P=?
Solution: 1) W=FS=Fvt=50N·2m/s·5s=500J
2) P=W/t=500J/5s=100w
P=W/t=FS/t=Fv=500N·2m/s=100w
Keywords: Power teaching courseware, Machinery and work teaching courseware, Beijing Normal University version eighth grade physics PPT courseware download, Volume 2, Eighth grade physics slide courseware download, Power PPT courseware download, Machinery and work PPT courseware download, .PPT format;
For more information about the PPT courseware "Power Machinery and Work", please click the Power ppt Machinery and Work ppt tab.
"Exploring Joule's Law" Electric Energy and Electric Power PPT Courseware 3:
"Exploring Joule's Law" Electric Energy and Electric Power PPT Courseware 3 1. Thermal Effect of Current: When electric current passes through a conductor, the conductor always generates heat. This phenomenon is called the thermal effect of electric current. 2. What factors are related to the thermal effect of current? Conjecture: 1. The heat of electric current...
"Exploring Joule's Law" Electric Energy and Electric Power PPT Courseware 2:
"Exploring Joule's Law" Electric Energy and Electric Power PPT Courseware 2 Learning Objectives: 1. Know the relationship between heat production, resistance and current of electrical appliances. 2. Be able to design experiments to verify the relationship between the heat generation of the resistor and current, voltage, and resistance, and be able to analyze the experimental data to obtain...
"Exploring Joule's Law" Electric Energy and Electric Power PPT Courseware:
"Exploring Joule's Law" Electric Energy and Electric Power PPT Courseware [Learning Objectives] 1. Know the thermal effect of electric current and its application and control in practice. 2. Through experiments, explore the factors related to the heat released by energized conductors. In the process of designing experiments, control variables are used..
File Info
Update Time: 2024-09-06
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