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

analogies, allow:permit::find:
How did Islam and the beliefs of indigenous societies fuse among African people?
how to undo the operation and explain why it works a. adding 28 b. dividing by 17
Why do the oceans play such a large part in the water cycle
If you were president in 1796, what three steps would you take to protect the United States from its more powerful neighbors?
What are the prime numbers of numbers 1-49?
the kind of lake that formed when a river meanders
A drawing of a surfboard in a catalog shows it's length as 8 4/9 inches. Find the actual length of the surfboard if 1/2 inch length on the drawing corresponds t
Which choices are in the solution set of the inequality below? Check all that apply. 20x>70 A: 6.5 B: 3 C: 3.5 D: 1 E: 5 F: 4
If something in a store costs $45, and the markup is 35%, what is the selling price?