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

Abolished indentured servitude and slavery in the United States
In medieval japan and medieval Europe , the feudal system was dominated by.
Round 6,584,003 to the nearest 100
Multiply the polynomials (5x^2+4x-4)(4x^3-2x+6) Explain your steps!!
What's 0.81 written as a fraction
which event led most directly to the independence movement in Latin America? A. Simon Bolivar's death B. Napoleon Bonaparte's installation of his brother on the
Alberto's birthday is 7 days before Corey's birthday. Alberto's birthday is on the 9th. Write the equation to find Corey's birthday.
find the area and perimeter of an isosceles trapezoid with legs 25cm and bases 16cm and 30cm
Which of these descriptions best matches feudalism? A.)a society based on long-lasting and recurring feuds between sections of society B.)a social structure whe
Shale is a clastic rock, meaning that it forms when ________________ are squeezed or cemented together (or both).