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patriot [66]
3 years ago
12

A constant force pushes on a brick, as shown below. A constant force pushes on three bricks as shown below. 师

Physics
1 answer:
JulijaS [17]3 years ago
7 0

Answer:

5 UNDER 5

Explanation:

GG

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a 70 kg desk sits on the floor motionless If gravity is pulling it with an acceleration of 9.8 m/s/s how much force is gravity e
adell [148]

Since force is mass*acceleration,

F = 70kg * 9.8 m/s

3 0
3 years ago
Use a common denominator to find-2/3 + -4/5​
Juliette [100K]

Answer:

-22/15

Explanation:

the least common denominator is  15 so first you multiply -2/3 by 5 in both the numerator and denominator making it -10/15

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If you add -10/15+ -12/15 you get -22/15

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3 years ago
What is a good activity for strengthening your stomach muscles?
koban [17]

Answer:

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Explanation:

3 0
2 years ago
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The aorta pumps blood out of the heart to the rest of the body. Please select the best answer from the choices provided. T or f
Daniel [21]

The left ventricle relaxes and fills up with blood before squeezing and pumping the oxygen-rich blood through the aortic valve into the aorta — the main artery that carries blood to your body.<u>TRUE</u>

3 0
3 years ago
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A barge floating in fresh water (rho = 1000 kg/m^3) is shaped like a hollow rectangular prism with base area A = 550 m^2 and hei
patriot [66]

Answer:

Explanation:

A )

When empty , H₀ length of barge is inside water .

volume of barge inside water = A x H₀

Weight of displaced water = AH₀ x ρ x g

Buoyant force = weight of displaced water = AH₀ ρg

B)

It should balance the weight of barge

Weight = buoyant force

Weight = AH₀ ρg

mass of barge = weight / g

weight / g = AH₀ ρ

= 550 x .55 x 1000

= 302500 kg

6 0
3 years ago
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