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

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

Which of these is a modern day result of the Spanish colonization of the americas

All of the systems that are aroused by the _____________ are relaxed by the ________________. autonomic nervous system; sympathetic nervous system

A piggy bank contains only quarters and nickers and there is a total of 60 coins. The total value of the coins in the bank is 7.40$. How many quarters in the pi

Which three sentences in this conversation between two classmates indicate Emily's bad study habits? EMILY: That test was tough! I think I’m going to get an F.

simplify the complex function (n-3/n^2+6n+8)/(n+1/n+2)

Calculate the area of the figure below using the following information: Area of triangle ABC = 7.95 square units Area of triangle ACD = 9.8 square units Area

Which of the following things will we NOT learn from studying fossils? (2 points) A. How living things change over time B. The sounds animals made C. The type o

What did Reagan and Gorbachev sign providing for the destruction of 2,500 Soviet and American missiles in Europe? A) Intermediate-Range Nuclear Forces Tre

What would 20 percent of the population report as a barrier for working out? inability to devote thirty minutes a day to working out lack of interest with creat

Impaired and delayed healing in a person with diabetes is caused by chronic complications that include: