12m/s + (3.5s)(9.8m/s2) = 46.3m/s
Sun K.
asked • 09/04/13How fast is it going?
A ball is thrown down off the cliff at 12 m/s. How fast is it going 3.5 s later?
Follow
•
3
Add comment
More
Report
2 Answers By Expert Tutors
Samuel A. answered • 09/16/13
Tutor
New to Wyzant
Summa Cum Laude UCLA Medical Student with 10 yrs of Experience
We know: Vinitial, acceleration, and time.
We want to find: Vfinal.
Equation containing these variables of interest: Vfinal - Vinitial=axt
Plug and Chug!
Vfinal=Vinitial +axt
Vfinal= 12 + 9.8x3.5= 46.3 m/s
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
