chikilin1k chikilin1k

02-09-2019
Physics

contestada

What is the velocity of a bullet train that moves 400 meters west over 3 minutes anad 20 seconds?

Respuesta :

encali2008 encali2008

02-09-2019

Answer: v= 2m/s

Explanation: simple kinematic

time moving t= 3min+20s = 3*60+20 = 200s

velocity v= distance / time = 400m / 200s = 2m/s ( very slow ... usain bolt is faster than your train ... v(bolt)= 100m /9.5s = 10.5m/s

best wishes form colombia

Answer Link

Otras preguntas

The explosive growth of jobs in what industries drew americans to the sunbelt?

Z is a normally distributed random variable. the distribution of z has a mean equal to 0 and a standard deviation equal to 1. what is the probability that z wil

Which technology uses multiple approaches to effectively eliminate or control pathogens in food? fill in the blank. ________ uses multiple approaches to effecti

roland Purchasing pottery supplies for pottery class he buys a portable pottery wheel for $382 modeling clay for $12 and a pottery tool set for 16.14. If the ta

Please I need help step by step

Which accurately describes an initial public offering?

Describe at least three reasons why many scholars and historians think the Civil War is the first modern war.

Circardian rythm how can it help you sleep

determine the measures of the angles of MNO if the measures of the angles are in the ratio 2:4:6

Robert is walking down the street late at night when a man in a ski mask suddenly sticks a gun in his face and takes his wallet. sociologists would say that rob