Question

1.v20m/s,t=4s,d=? 2.d=600m,t=1minut,v=? 3.d=800m,v=40m/s,t=? 4. d=1km,v=10m/s,t=? 5.v=72km/h, t=2minute,d=? 6.v=36km/h,d=36km,t=? vă rog Repede!​

Answer 1

Explicație:

$v = \frac{d}{t} = = > d = v \times t \\ d = 80 \: m \\ d = 600m \: \: t = 60s \\ v = \frac{d}{t} = \frac{800}{60} = 13.33 \: \frac{m}{s} \\ d = 800m \: \: \: v = 40 \frac{m}{s} \\ t = \frac{d}{v} = \frac{800}{40} = 20 \: s$