trav655 trav655
  • 22-10-2019
  • Physics
contestada

A motorcyclist sees a branch in the road,
and hits the brakes, slowing down at
-6.42 m/s2. If it takes him 2.85 s to stop,
what was his starting velocity?
(Unit = m/s)

Respuesta :

MathPhys
MathPhys MathPhys
  • 22-10-2019

Answer:

18.3 m/s

Explanation:

Given:

a = -6.42 m/s²

t = 2.85 s

v = 0 m/s

Find: v₀

v = at + v₀

(0 m/s) = (-6.42 m/s²) (2.85 s) + v₀

v₀ = 18.3 m/s

Answer Link

Otras preguntas

add. (-5+2i)+(3-4i) A. -8-6i. B.-8+6i. C.-2-2i. D.-2+2i
fourteen boys and 21 girls will be equally divided into groups. Find the greatest number of groups that can be created if no one is left out.
Which philosopher would have been most enthusiastic about modern empiricism?
x-y=8. how do i turn into y=
What additional information provided on an msds might be of use to an individual working with chemicals?
What does- El gato negro caminó lentamente por la calle, arrastrando la cola por el suelo, y sus ojos azules apuntando hacia abajo, parecía hambriento ... ¿quié
how do you round 693 in the tens
What is the major function of a political party?
What reason do the Germans close Mrs.Hirch’s store?
A book has 5 chapters, a total of 90 pages. If each chapter has the same number of pages, how many pages are in each chapter