iamlationa18 iamlationa18

08-11-2020
Mathematics

contestada

The driver of a car traveling at 60 ft/sec suddenly applies the brakes. The position of the car is s(t) = 50t - 2t2, t seconds after the driver applies the brakes. How many seconds after the driver applies the brakes does the car come to a stop? (4 points)

Respuesta :

lesaomai121 lesaomai121

09-12-2020

Answer:

t=12.5s

Step-by-step explanation:

s(t) = 50t - 2t^2

v(t) = 50 - 4t

a(t) = -4

When v(t) = 0, the car stops.

v = u +at

0 = 50 + (-4)t

t = 12.5

Answer Link

Otras preguntas

The general environment analysis considers broad societal dimensions influencing the industry or firms within it. The general environment areas include

What kind of data cannot be gathered through remote sensing?A. depth of the ocean floorB. movement of the surface currentsC. samples of living thingsD. water te

What would be a good entry-level position if you wanted to be a buyer? would this position help you grow in the field?(in fashion &interior design)

A 7.30-kg instrument is hanging by a vertical wire inside a space ship that is blasting off at the surface of the earth. This ship starts from rest and reaches

Erikson called the psychosocial developmental stage that occurs between 3 and 6 years of age _____.

___________ is a type of non-mendelian inheritance pattern that involves more than just the typical two alleles that usually code for a certain characteristic i

What’s the economic process where a country buys raw materials, processes them and sells them back to where they bought them from

A compound consists of 18.96 g carbon, 5.53 g hydrogen, and 11.06 g nitrogen

0:1001 in simplest form

Which of the following is not true of DNA? Which of the following is not true of DNA? It carries amino acids to the ribosome. It is found in the nucleus. It con