# The car sped up from 10 m/s to 30 m/s in 4 seconds. What was the car’s acceleration?

The car sped up from 10 m/s to 30 m/s in 4 seconds. What was the car’s acceleration?

## This Post Has 3 Comments

1. jasperzhouzihe3018 says:

How shoul I know?

Step-by-step explanation:

2. Expert says:

I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.

3. Expert says: