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melomori [17]
3 years ago
6

Match one of the numbers with one of the letters. Thanks!!!!!!!!

Physics
1 answer:
geniusboy [140]3 years ago
4 0
Number 5 goes to letter e
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5. Sarah is standing 32.0 m away from Jason. If Sarah throws a snowball at a 45 degree
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Answer:

Explanation:

If air resistance is ignored and assume UP and Toward Jason are the positive directions.

horizontal analysis

d = (vx₀)t

t = d/vx₀

horizontal analysis

0 = vy₀t + ½gt²

0 = vy₀(d/vx₀)+ ½g(d/vx₀)²

as vy₀ = v₀sin45 and vx₀ = v₀cos45 and are equal.

0 = d + ½g(d²/v₀²cos²45)

-d = ½g(d²/v₀²cos²45)

-dv₀² = ½g(d²/cos²45)

   v₀² = -½g(d/cos²45)

   v₀² = -½(-9.81(32.0/cos²45)

   v₀² = 313.92

   v₀ = 17.717787...

   v₀ = 17.7 m/s

7 0
3 years ago
What is quantic fisic
Elodia [21]

Answer:

it is the physics that explains how everything works. The best description we have of the. nature of the particles that make up matters and the forces with which they interact. It underlines how atoms work, and so why chemistry and biology work as they do

3 0
3 years ago
Why is it harder to get something moving than to keep it moving?
vovikov84 [41]

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momentum

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when something starts rolling momentum keeps it going.

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Form of mechanical energy
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Potential energy and kinetic energy

4 0
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Compare and contrast elements, compounds and mixtures.
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An element contains just one type of atom. A compound contains two or more different atoms joined together. A mixture contains two or more different substances that are only physically joined together, not chemically. A mixture can contain both elements and compounds.

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