k object J 4 × wheel 1 700 150 15 1 10−3 @ g mm rpm J Wh 20 km wheel, 16 × 1 700 300 60 1 10−3 mm rpm J Wh speed (40 wheel, 8 × 2 700 150 30 1 10−3 mm rpm J Wh mass (20
object k J wheel @ 20 1 1 700 mm 150 rpm 15 J 4 × 10−3 Wh wheel, speed (40 1 1 700 mm 300 rpm 60 J 16 × 10−3 Wh wheel, mass (20 1 2 700 mm 150 rpm 30 J 8 × 10−3 Wh g km