avaiisamorgan
avaiisamorgan avaiisamorgan
  • 02-03-2019
  • Physics
contestada

a woman traveling at 70m/s, applies the break on her car and stops in the time of 2seconds. what is her deceleration?

Respuesta :

Odeenaka
Odeenaka Odeenaka
  • 02-03-2019

From the laws of motion:

[tex]v= u + at[/tex]

Therefore:

[tex]0 = 70 + (2 \times a)[/tex]

a in this case = deceleration

[tex]0 = 70 + 2a \\ \\ - 70 = 2a[/tex]

[tex]a = - 35m {s}^{ - 2} [/tex]

Answer Link

Otras preguntas

one hundred eighty is equal to how many tens
Which of the following organisms lacks a coelom? (A) roundworms (B) segmented worms (C) clams (D) grasshoppers (E) people
how big is San Nicolas Island
Which event in history is seen by many people as the beginning of the Great Depression?
How might a theory relate to a model in science?
What is the estimate for 200,629+28,542
A class has 6 boys and 15 girls. What is the ratio of boys to girls
Please help for answer 56/125-177/625=
How do I simplify 9/243
Chemical equation of photosynthesis?