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Japhet
Questions (3)
A uniform pencil AB weighing 40g can be balanced horizontal on a knife edge at 2cm from end A when a mass 60g is hung from This
1 answer
15 views
A speaker has a diameter of 0.303 m. (a) Assuming that the speed of sound is 343 m/s, find the diffraction angle è for a
1 answer
1,066 views
A speaker has a diameter of 0.303 m. (a) Assuming that the speed of sound is 343 m/s, find the diffraction angle è for a
1 answer
501 views
Answers (1)
B 4*10^-5
