Kyk9desisJihblue Kyk9desisJihblue

01-04-2017
Physics

contestada

A train slows down from 34 m/s to 4 m/s in 60 seconds. what is it's acceleration?

Respuesta :

Saimon4520 Saimon4520

01-04-2017

acceleration = change in velocity / time

change in velocity = final velocity - initial velocity

because the object is slowing down, the acceleration will be negative.

acceleration = (4-34) / 60
acceleration = -30 / 60
acceleration = -0.5 m/s^2

answer : the train is accelerating at -0.5 m/s^2

Answer Link

Otras preguntas

Which statement best describes the theory of mercantilism? A.)Import more goods than are exported. B.)Export more goods than are imported. C.)Use superior techn

Does Verona have enough information to determine the areas of both triangles?

problems facing book publishers in the internet age

As a novelist, Hawthorne was greatly influenced by the works of ______. Sir Walter Scott Samuel Richardson James Fenimore Cooper Henry James

How long does it take to braid hair into cornrows?

The Taft-Hartley Act intended to do which of the following?

Jim has three times as many comic books as Charles. Charles has 2/3 as many books as Bob. Bob has 27 books. How many comic books does Jim have?

Write cos 53 degrees in terms of sine.

In a group of 60 students, 12 students take Algebra I, 18 students take Algebra II, and 8 students take both subjects. How many students don't take either of th

Which of these ordered triples indicates where the plane cuts the x-axis for this equation? 7x +2y +3z =42 A. (14,0,0) B. (7,0,0) C. (21,0,0) or D. (6,0,0)