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Yanka [14]
3 years ago
10

How high off the ground is a a book that has 120 J of potential energy and a 4-kg mass ​

Physics
1 answer:
RoseWind [281]3 years ago
7 0
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What type of tissue in the heart pumps blood throughout the body?
slavikrds [6]

Answer:

Myocardium. That is the type. (srry i was in a rush hope this helps)

7 0
2 years ago
A centrifuge is a device that rotates an object to produce an acceleration many times that of gravity Pilots are trained in such
Leviafan [203]

Answer:

ω = 0.571 rad/s

Explanation:

given data

radius = 30 m

solution

we take here g = 9.8 m/s²

and g is express as

g = r × ω²     ....................1

put here value and we get

9.8 = 30 × ω²

solve it we get

ω = 0.571 rad/s

5 0
3 years ago
3. Using the F, m, a triangle, calculate the boy's mass. Use the "force
aliya0001 [1]

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F = 300N

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a = 10 m/s/s

m = f/a = 300N/10 m/s/s

m = 30kg

5 0
3 years ago
A displacement vector has a magnitude of 810 m and points at an angle of 18° above the positive x axis. what are the x and y sca
Naily [24]
I attached my work and highlighted my answers. Hope it makes sense! please comment back with any questions if anything is still unclear! :)

5 0
3 years ago
Which best describes a radioactive isitope
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