Electric charges - maths problem
Can someone please explain to me how did 20πcos4πt come into the equation? Thanks in advance.
Original post by imtheultimate
Can someone please explain to me how did 20πcos4πt come into the equation? Thanks in advance.
They’ve differentiated q= using the product rule as 5t and sin4(pi)t are multiplied together. Hope this helps!
(edited 3 years ago)
Original post by Aethomson
They’ve differentiated q= using the product rule as 5t and sin4(pi)t are multiplied together. Hope this helps!
thank you for the answer
Quick Reply
Related discussions
- Aiming an Oscilloscope Beam
- Specific Charge
- How do I find the electric potential and field strength between two point charges?
- Aqa A level physics Electric field question (1)
- what is Q in E=kQ/r^(2)
- Electric fields help!
- A level physics electric field mcq
- A level physics question
- A level chemistry high charge density ionic bonding small ions
- HELP!!! Isaac physics. Essential Pre-Uni Physics H9.7
- Electric Charge of Earth
- Question on static electricity
- Top Energy Saving Tips to Save Money on Bills
- Use a simulator to plot the frequency response of the circuit
- is current and charge the same thing a level chem
- So will we be banned from driving petrol cars in 2030
- Electric Fields Help
- EV charging in Durham
- Campbell property end of tenancy cleaning charges
- Can Kaon+ experience the Electromagnetic interaction?
Latest
Last reply 3 minutes ago
Official Dental Hygiene and Therapy (Oral Health Science) 2024 Entry ThreadDentistry
2867
Last reply 3 minutes ago
can't go to ucl bc intl fees but got home fees for others :(Last reply 4 minutes ago
Woodhouse College applicants 2024Last reply 6 minutes ago
Customer Services Group - Operational Delivery - Administrative OfficersLast reply 9 minutes ago
St dominics, henrietta barnett, RMS, parmiters or girls grammar??Last reply 11 minutes ago
LSE anthropology and law 2024Posted 11 minutes ago
Can I get funding for a full time course if I've studied before?Last reply 13 minutes ago
Degree Apprenticeship at Accenture (assessment centre)Posted 13 minutes ago
Durham vs Exeter Finance/AccountingLast reply 16 minutes ago
Customer Services Group; Executive Officer (EO) - Home Office - Various RolesLast reply 21 minutes ago
JK Rowling in ‘arrest me’ challenge over hate crime lawLast reply 24 minutes ago
LSE International Social and Public Policy and Economics (LLK1) 2024 ThreadLast reply 24 minutes ago
Worried about son who wants to move out, will he be able to afford it?
