document.write( "Question 762998: an object starting from rest travels 20 m in first 2 sec and 160m in next 4 sec. what will be the velocity after 7 sec from the start \n" ); document.write( "
Algebra.Com's Answer #464419 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! an object starting from rest travels 20 m in first 2 sec and 160m in next 4 sec. what will be the velocity after 7 sec from the start \n" ); document.write( "------------ \n" ); document.write( "s = at^2 = 10t^2 \n" ); document.write( "a = 10 m/sec/sec \n" ); document.write( "============== \n" ); document.write( "v = at = 10*7 \n" ); document.write( "v = 70 m/sec \n" ); document.write( " |