From a hovering helicopter, a 40kg crate of supplies is thrown to the ground with a velocity of 3m/s. If the crate reaches the ground 43m below with a velocity of 22.1m/s, determine the
energy lost to friction.

can be answered using momentum.

momentum = p

p1= mass1 * velocity1

p1 = p2

therefore

p1 = 6kg * 4m/s

p1 = 24kgm/s

p2=m2 * v2

24 kgm/s = 7kg * v2

v2 = 24 kgm/s / 7kg

v2= 3.42 m/s

spare some change and give it to the poor

explanation:

plz : ((

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

hope this ! this is not copied! search it up, it's free of plagiarism!

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle