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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?
Given:
Formula:
Answer:
Solution:​


Sagot :

It’s been 30 days since Uranus first appeared in the sky. At first, it looked like our Moon had found itself a stellar partner. But then, we understood something much, much bigger was headed our way.What caused Uranus to become so unstable? How could this epic collision change the ice giant? And what’s with this horrific stink? Ugh.

Answer:

GIVEN: 85m/s, 45m/s, and 4.5 seconds

FORMULA: (Vf-Vo)/time

ANSWER: 8.89m/s²

SOLUTION: (Vf-Vo)/time

= (45-85m/s)/4.5 s.

= 8.89m/s²