HyasathanturnB HyasathanturnB

21-11-2016
Physics

contestada

The stopping distance d of a car after the brakes are applied varies directly as the square of the speed r. If a car travelling 70 mph can stop in 270 ft, how many feet will it take the same car to stop whenit is travelling 60 mph?

Respuesta :

andriansp andriansp

23-11-2016

270/70^2 = x/80^2

Cross multiply

270 (6400) = 4900x

x = 270(6400)/4900

352 and 32/49 feet

Hope this helps

Answer Link

Otras preguntas

Octavia does not currently have a job, but she has applied for several jobs in the previous week. Eve is an unpaid stay-at-home mom who has not searched for wor

As light travels through the eye, it passes through several structures or chambers before reaching the retina. Which list below gives those structures in the co

Solve for x in the equation 2x^2+3x-7 = x^2+ 5 x + 39

Suppose that the researchers wanted to estimate the mean reaction time to within 6 msec with 95% confidence. Using the sample standard deviation from the study

Carlos works at Tyner Construction Company as an assistant project manager. His manager assured him that if his projects came in on time and under budget, he wo

Which period was known for sexual intrigue and decadence?

________ take computers with wireless connections through an area and search for unprotected wireless networks, and then monitor and intercept wireless traffic

The function below takes a two parameters: a list called a_list and a value called a_value. Complete the function to first check to see if the value is already

Read the following excerpt from Leslie Marmon Silko’s story "The Man to Send Rain Clouds." The priest stared down at his scuffed brown loafers and the worn hem

The parasympathetic division is also called the ________ division.