A 4kg watermelon is dropped from a height of 45m. What is the velocity of the watermelon just before it hits the ground?

v=30 m/s

Explanation:

h - height

g - acceleration due to gravity=10

t - time

v- velocity

45 = 5t²

t² = 9

t=3 seconds

v=g×t

v=10×3

v=30 m/s

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