When a 1.0-kilogram cart moving with a speed of
0.50 meter per second on a horizontal surface
collides with a second 1.0-kilogram cart initially
at rest, the carts lock together. what is the speed
of the combined carts after the collision?
[neglect friction.]
(1) 1.0 m/s (3) 0.25 m/s
(2) 0.50 m/s (4) 0 m/s

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray

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