# Physics

posted by
**Nabiha**
.

A bike racer is riding his new bike at Silverstone. The track is 4km long.

a) What is his average speed in m/s if he does a lap in 2 minutes?

b) What is his velocity after one lap?

posted by
**Nabiha**
.

A bike racer is riding his new bike at Silverstone. The track is 4km long.

a) What is his average speed in m/s if he does a lap in 2 minutes?

b) What is his velocity after one lap?