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 is the simplified factored expression of 8w2+8?
Mary has 3000 raffle tickets . The tickets will be sold by 8 different classes. How many groups of raffle tickets are given to each class?
The concentration of atmospheric carbon dioxide is measured at Mauna Loa Observatory in___________.
The Great Gatsby highlights __________. the belief that there is no country in the world with equal greatness the importance of family life in a rapid
________ is an operant-conditioning procedure in which successive approximations of a desired response are reinforced. Group of answer choices
Please help, I dont know the answer, can someone tell me the answer please and explain it?
How do I get from -6 to -3
What are the two main regions that divide the seafloor?
What is linked together by the Suez Canal? A. The Mediterranean Sea and the Indian Ocean B. The Yangtze River and the Indian Ocean C. The Indian Ocean and the P
McCarthy will always be considered an American hero due to his role in the HUAC. True False