kpelayo20059 kpelayo20059

21-10-2019
Physics

contestada

A car comes to a sudden stop by applying the brake. It accelerates the uniformly at - 4.1m/s^2 and it slows from 9 m/s to 0 m/s. Find the time interval of the acceleration of the car.

Respuesta :

mail2bunmi mail2bunmi

21-10-2019

Answer:

2.25 seconds

Explanation:

Change in Acceleration = change in velocity / time interval

time interval = change in velocity / change in acceleration

= (9 - 0) / (0 - -4) = 9/4

= 2.25 seconds

Answer Link

Otras preguntas

Given a range of values for vs and v0, how are these calculated for v0 and how is the range for vs made to avoid op-amp saturation if it is -2 V < vs < 3

How would you expect the acceleration of an Atwood's machine to change if you increase the mass on one side and decrease the mass on the other, keeping the tens

Assume that, in a given market, 75% of new products fail and are removed from production within 2 years. Your firm is bringing a new product, Sport-String Extre

Direction:Formulate a counterclaim to the given claims. 1.early Childhood education is critical for long-term academic success. 2."Artificial intelligence tech

Find the area of the segment (shaded in blue in the figure) of a circle whose radius is 1 feet, formed by a central angle of 55°. [Hint: Subtract the area of th

A mercury atom in the ground state absorbs 20.00eV (electron volts) of energy and is ionized by losing an electron. How much kinetic energy does this electron h

During the 1970s and 1980s, all but ONE of the following are reasons why Haitian immigrants suffered more U.S. government prejudice and discrimination than any

Summarize the the below job description into 80words • Transfer client with the use of mechanical lifts

The United States has produced more than 1 billion tons of coal annually. Although there are over 850 coal mines in the United States, each produces essentially

Convenience sampling is often the easiest method of sampling but can easily lead to sampling bias. a) True b) False