olivia (pls help!!)

This page lists questions and answers that were posted by visitors named olivia (pls help!!).

Questions

The following questions were asked by visitors named olivia (pls help!!).

A 33 tonnes jet airline has 4 engines,each producing a nearly constant thrust of 165kN during the takeoff roll.Determine the length of the runway required if the takeoff speed is 320km/h.Neglect air and rolling resistance.

Answers

The following answers were posted by visitors named olivia (pls help!!).

so there is no need to consider about the weight when finding the force? since F=ma, then i use 165000x4=33000xa to find acceleration rather than 165000x4-33000=33000xa ?