Question

I really need help on this. *my teachers is gruesome-

1. A car starts out at 0 meters per second. It ends up at 100 meters per second . The time is 20 seconds. Calculate acceleration
2.A roadrunner accelerates for 20 meters per second to 60 meters per second in 5 seconds.
3.A lizard running from the roadrunner gets squashed by the car. It was running at 30 meters per second when it got squashed. It’s final velocity is now 0 meters per second because it’s road kill...The time was 10 seconds.

Answer 1

Q1 100 - 0 / 20 = 5

Q2 60 - 20 / 5 = 8

Q3 0- 30 / 10 = -3

yes your teacher is gruesome. poor lizard