An object is launched at a known speed and a known angle with respect to the hor

Question

An object is launched at a known speed and a known angle with respect to the horizontal. Check all questions that simply state that the horizontal component of the velocity vector does not change. (Ignore air resistance.)
x = xo + vox t + 1/2 ax t2 vx = vox + ax t vx2 = vox2 + 2 ax (x-xo) y = yo + voy t + 1/2 ay t2 vy = voy + ay t vy2 = voy2 + 2 ay (y-yo) An object is launched at a known speed and a known angle with respect to the horizontal. Check all questions that simply state that the horizontal component of the velocity vector does not change. (Ignore air resistance.)
x = xo + vox t + 1/2 ax t2 vx = vox + ax t vx2 = vox2 + 2 ax (x-xo) y = yo + voy t + 1/2 ay t2 vy = voy + ay t vy2 = voy2 + 2 ay (y-yo) x = xo + vox t + 1/2 ax t2 vx = vox + ax t vx2 = vox2 + 2 ax (x-xo) y = yo + voy t + 1/2 ay t2 vy = voy + ay t vy2 = voy2 + 2 ay (y-yo) x = xo + vox t + 1/2 ax t2 vx = vox + ax t vx2 = vox2 + 2 ax (x-xo) y = yo + voy t + 1/2 ay t2 vy = voy + ay t vy2 = voy2 + 2 ay (y-yo)

Explanation / Answer

bc ax=0, ay=-g

x=xo+Vox

Vx2=Vox2

y = yo+Voy(t)+(1/2)gt^2 Vy=Voy+gt
Vy2=Voy2+2g(-yo+y)

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