katlin

An 855 kg dragster accelerates from rest to 120 km/h in 0.90 seconds. What is the average force exerted on the car? I used the regular f=ma which is f=855*(120-0/.9) which equalled 114000 but that answer is wrong. I don't know another formula am i suppose...

do any physical fetures define a border between russia ans the countries of europe

what is 11 7th as a mixed number please i need help and its due tomorrow

who rubbing two different pieces of cotton together give each piece of cotton a +ve or -ve charge