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Guys like if I start pulling my head in right now can I get a 99.95 atar ? I will spend like 90% of my time between now and the hsc studying ! Also; What's a good related text for modules discovery, A and C

Standard English actually aligns up if you get a mark about ~80+ 98 if all goes well, at least 95 if you get maybe 75 in English

Which of the following would not increase the size of the deflection observed by the students? (A) Increasing the number of turns in the secondary coil - the change in flux is greater , increasing deflection (B) Increasing the voltage supply - again the change from 0 to 2v is greater then say 0...

14 is d because the coils will be cutting the field on a more regular basis

Assuming there is no air resistance then yeh it's b

12 isn't the best question tbh but if you imagine the magnetic field as passing all the way through the disk, it's like it passes through the Infinetly thin surface areas from one side to the other, also note that larger coils (like in conducting lines) are thicker to reduce resistance, well the...

11. D for sure

9. D depends on the time of flight or height

2.A btw Gravity IS a centripetal force and is the only force acting on a safelight as it is constantly falling

12- I'd say C because laminations in iron cores are sometimes perpendicular to the magnetic field direction, meaning a greater thickness must have some effect on the spin. I assume a larger area will allow more eddy currents to 'fit' reducing the change 14- definitely D, when there is one...

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i do 10 units, physics, engo, and standard english included. these are my hours per week physics 3hours engineering 3 hours english 1hour extension 1- 6 hours extension 2- 5-6 hours ext 2 is extremely over rated in hardness

Low Earth Orbit (LEO) Satelights are distinct from geostationary satelites in that they have a much faster orbital velocity then the earth, thus they have shorter periods and may 'survey' the earth more then once every 24hours. It is easier to acheive this speed from a closer difference (shorter...

Thanks both of you :) so basically back emf just stops the motor from accelerating ?

hey guys, if back emf opposes the induced emf, then how does the electric motor continue to spin ? isnt is equal and opposite thus cancelling it out?

Atar Estimate please :) School Rank- varies from 250-400 each year due to small school with total year groups 20-30 Subjects 3U Maths - ¼ (final assessment rank) - 1st in trials 80℅ 4U Maths - ⅔ (2% difference between all of us) (final assessment rank) - 1st in trials 69℅ Physics - ⅖, first...

Calculate the maximum height a water rocket reaches if it is shot straight up in the air and the total time of flight is 2.57sec Sent from my iPhone using Tapatalk

Describe the motion of a water rocket, mentioning both Newtons 3rd law, and the conservation of momentum. Hence explain the effects of changing the volume of water.