Help with calculating magnetic flux through a tilted loop

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bckcookie
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Homework Statement



Please let me know whether it's wrong for my attached solution.

Homework Equations



magnetic flux = BAcosθ

The Attempt at a Solution



I don't know how to calculate the part (c) as attached file, please advise!
 
Attachments
  • Exam question page 3 on electromagnetic induction: a square loop EFGH entering a magnetic field region ABCD, with parts (a) to (e), handwritten working for B = 0.3 T, R = 6 Ω, v = 2 m/s, and areas 400 × 10^-4 m² and 16 cm².
    Q2.jpg
    32.6 KB · Views: 570
  • Handwritten graph on grid paper, rotated sideways, titled 'a) A graph of the induced flux through EFGH against time'; vertical axis labelled 'EFGH (10^-4 Wb)' with ticks 2, 4, 6, 8 and 0; horizontal axis labelled 't/s' with ticks 0, 0.025, 0.05, 0.075, 0.1, 0.125.
    q2a.jpg
    24.7 KB · Views: 528
  • Handwritten working for TMA03 Question 2a on lined paper: loop areas ABCD = 4 m^2 and EFGH = 0.16 m^2, velocity 2 m/s, total time 0.12 s, B = 0.3 T, and magnetic flux values at t = 0, 0.02 and 0.12 s.
    Q2a1.jpg
    20.2 KB · Views: 528

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