1. if a cars speed increases from 18 m/s to 20 m/s in 15 seconds, its acceleration is how much :

2. what is the acceleration of a toy car that starts from rest & has a speed of 0.12 m/s after 0.1 seconds?

3. if an object moves at a constant speed and is accelerating, its of travel must be changing:
a. distance
b. velocity
c. none

4. a soccerball rolls 12.6 meters in 4.5 seconds. calculate the average speed.

5. a champion jumping frog can jump 2.5 meters every 4 seconds. what is the jumping frogs average speed?

6. an arctic tern can fly 85 km/h for every 24 hours straight. how far can it fly without landing?