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

What form of government did Ancient Greece and ancient Mesopotamia have in common
The cartilage which divides the nose in two parts is called the
5554 5274 4994 4714 what's the rule
how many electrons are contained in a co3+ ion
3X 9 7x 10 9x 5x 516. Check
While performing an experiment at home, Emma adds lemon juice to a soap solution. How will this affect the pH of the soap solution?The pH will remain constant.o
The table shows monthly profits and losses for Whitney's juice shop for a 6-month period. What is the net profit or loss for all six months? Two row table
essay on havan yagya ki sarthakta
Chlorofluorocarbons have damaged _______ layer of Earths atmosphere
What impact did the Magna Carta have on the English monarchy?