1. A motor car of mass 1000 kg is travelling round a circular track with a velocity of 15 m/s. if the radius of the track is 400 m, find the horizontal thrust exerted on the wheels.

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada

answercollision;