2203

Facit till uppvärmningsuppgiften med energiformler

1. F = W/s

2. s = W/F

3. F = 5 N

4. s = W / F = 7000/15 = 500 m

5. h = WP/mg = 3700/(7*9.82) = 53.8

6. v = (2*WK/m)^0.5 = (2*11*10^6/0.32)^0.5 = 8291