Andmed
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Keha pöörlemisvõrrand on φ=f(t). Punkt a on pöörlemisteljest
kaugusel R.
Leida punkti A kiirus v1, kiirendus a1 ja kiirenduse kaldenurk μ1 trajektoori raadiusest hetkel t1.
Body's rotation formula is φ=f(t). Point A distance from rotational
axis is R.
Find the velocity v1
and acceleration a1 pf point A,
and angle μ1 between
acceleration vector and radius at time t1.