26-10-2015
Physics

contestada

a runner covers the last straigjt stretch of a race in 4 s. during that time, he speeds up from 5m/s to 9m/s.

Respuesta :

26-10-2015

During that final period of time,
his acceleration is
(9 m/s - 5 m/s) / (4 sec) = 1 m/s² .

Did you have a question to ask ?

Answer Link

Otras preguntas

What are the classifications of voice ranges for women, from highest to lowest? A. soprano, mezzo-soprano, and alto OB. mezzo-soprano, soprano, and alto alto, s

The length of a rectangle is 3 more than twice the width. The area of the rectangle is 119 square inches. What are the dimensions of the rectangle

A company prices its tornado insurance using the following assumptions: • In any calendar year, there can be at most one tornado. • In any calendar year, the

The following information was taken from the 2017 financial statements of Eiger Corporation, a maker of equipment for mountain and rock climbers: Net income $

8. In a circle of any size, what ratio doespi (TT) represent?A. radius: diameterB. circumference: areaC. circumference: radiusD. circumference: diameter

which of the following are solutions to the equation below x^2+4x-9=x+1 check all that apply a. 2 b. 4 c. -7 d. -3 e. -5 f. -4

How did the world populate.

you were started on a deserted island for a week how did you survive and how did you got help Story writing

1. Review the information in the table below. Use the information to calculate rate of how many sandwiches are made in a 10-minute period. The first calculation

The left end of a long glass rod 6.00 cm in diameter has a convex hemispherical surface 3.00 cm in radius. The refractive index of the glass is 1.60. Determine