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baherus [9]
3 years ago
11

I need to submit my homework in an hour, this is only question i cant solve. someone pls help!!

Physics
1 answer:
Sauron [17]3 years ago
8 0

Hope this helps.......☺

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A projectile is launched horizontally from a height of 8.0 m. The projectile travels 6.5 m before hitting the ground.
spayn [35]

Answer:

5.09 m/s

Explanation:

Use the height to find the time it takes to land:

y = y₀ + v₀ᵧ t + ½ gt²

0 = 8.0 m + (0 m/s) t + ½ (-9.8 m/s²) t²

t = 1.28 s

Now use the horizontal distance to find the initial velocity.

x = x₀ + v₀ₓ t + ½ at²

6.5 m = 0 m + v₀ (1.28 s) + ½ (0 m/s²) (1.28 s)²

v₀ = 5.09 m/s

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3 years ago
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3 years ago
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I WILL GIVE BRAINLIEST TO THE BEST OR FIRST ANSWER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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3 years ago
The process of changing the energy of a system by means of force. Force * Diatance
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This is known as work
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Bending occurs when one side of the wave enters the new medium before the other side of the wave. ... The bending occurs because the two sides of the wave are traveling at different speeds.
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