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Anni [7]
2 years ago
7

A

Physics
1 answer:
dangina [55]2 years ago
7 0

Answer:

C 2000v its obviously ans because if o is 1000 2 vo is 2000v

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What’s the power if a student does 2240j of work for 2.8 seconds
Alex787 [66]

Answer:

800 Watts

Explanation:

Power = Work/time

Working in SI units, Power = Watts, Work = Joules, Time = seconds.

Power = 2240J/2.8s = 800 Watts.

7 0
3 years ago
HELP BRAINLYEST TO CORRECT ANSWER
kow [346]

Answer:

physical

Explanation:

how thick something is is a physical trait, so it's a physical property!

3 0
3 years ago
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What effect does air resistance have on the projectile
Vesnalui [34]

more deceleration.

in vertical motion downwards => terminal velocity ... raindrops etc

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4 years ago
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A certain moving electron has a kinetic energy of 0.991 × 10−19 J. Calculate the speed necessary for the electron to have this e
alisha [4.7K]

Answer: The speed necessary for the electron to have this energy is 466462 m/s

Explanation:

Kinetic energy is the energy posessed by an object by virtue of its motion.

K.E=\frac{1mv^2}{2}

K.E= kinetic energy = 0.991\times 10^{-19}J

m= mass of an electron = 9.109\times 10^{-31}kg

v= velocity of object = ?

Putting in the values in the equation:

0.991\times 10^{-19}J=\frac{1\times 9.109\times 10^{-31}kg\times v^2}{2}

v=466462m/s

The speed necessary for the electron to have this energy is 466462 m/s

4 0
3 years ago
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What type of electromagnetic energy is microwave energy
Debora [2.8K]

Sup cuz u only came back to ask a question cuz. sure cuz. here its cuz. that will be the answer cuz. So the answer could be cuz. Still thinking it might be cuz. Problably i still dont know cuz. Come back cuz. F u Cuz.

Im dead cuz

my finall answer was

Microwaves are a type of electromagnetic radiation, as are radio waves, ultraviolet radiation, X-rays and gamma-rays. Microwaves have a range of applications, including communications, radar and, perhaps best known by most people, cooking.Feb 8, 2018

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3 years ago
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