172k views
10 votes
A parachute on a racing dragster opens and changes the speed of the car from 85 m/s to 45 m/s in a period of 4.5 seconds. What is the acceleration of the dragster?

2 Answers

4 votes

Answer:

L I'll help u

Step-by-step explanation:

User Juan Acevedo
by
4.7k points
8 votes

Answer:

- 8.89
m/s^(2)

Step-by-step explanation:


((Vf-Vo))/(time) =
((45-85 m/s))/(4.5s) = - 8.89
m/s^(2)

User Matt Coubrough
by
4.0k points