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marissa [1.9K]
3 years ago
5

Whats 9 plus ten?√√√⇒

Advanced Placement (AP)
2 answers:
ale4655 [162]3 years ago
7 0

Answer:

19

Explanation:

9+10=19

stellarik [79]3 years ago
6 0

Answer:

2 and 1

Explanation:

quadratic formula states 2 and 1 which can be converted using the law of heck to get 21

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An arrow is shot from a height of 1.5 m toward a cliff of height H. It is shot with a velocity of 30 m/s at an angle of 60° abov
Aliun [14]

Known Variables:

Δy = 1.5 m

v0 = 30m/s at 60° above the horizontal.

t = 4.0 s

a. vfy = v0y + at

0 = 30sin(60) + (-9.8)t

-25.98 = -9.8t

t = 2.65.

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Δy = v0yt + at^2/2

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b. vfy = v0y + at

0 = 30sin(60) + (-9.8)t

-25.98 = -9.8t

t = 2.65.

Δy = v0yt + at^2/2

Δy = 25.98(2.65) + (-9.8)(2.65)^2/2

Δy = 34.44 m

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vfy = -13.23 m/s.

I might have gone wrong somewhere so please check my answer! Cheers!

7 0
2 years ago
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