Tuesday, 7 June 2011

What i did wrong:

1.b.ii- 3 s.f answers
2.c-Velocity curve is lower than the one on the other train and stops at the same time as the other curve
3.a.i- Force F is greater because its accelerating
5.a.i- Ammeter measures the current, it doesn't increase it (correct answer = cell)
6.a.i- Amplitude = from equilibrium to peak
6.c.i- Anything from the electro magnetic spectrum