A2 Doubles F block Friday 19th June 20 introducing Power the rate of working
Power is force F x velocity v
d/dt( WD) = d/dt(Fs)
= F ds/dt
= Fv
unit Watt W 1kW = 1000W
Power is force F x velocity v
d/dt( WD) = d/dt(Fs)
= F ds/dt
= Fv
unit Watt W 1kW = 1000W
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1. Do Ex 2C page 28 q's 18, 19
total 14 marks 17 minutes if timed in the exam 2. Watch the video 3. Read examples 14,15,16 and 17 pages 29-31 4. Do Ex 2D page 31 q's 1, 3, 5, 7, 9, 11,13 total 25 marks 30 minutes if timed in the exam Total 14+25 =39 marks Total time in the exam would be 39x1.2 = 47 minutes You are not expected to meet these times since the topic is new but I added them so you can aim to meet them. |
Presentation of work
If something needs to be done then do it to the best of your ability
If something needs to be done then do it to the best of your ability