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shusha [124]
3 years ago
10

In the video your blood is compared to a __________________ that delivers oxygen to your body and picks up CO2 to be released ou

t when you breath.
Physics
1 answer:
polet [3.4K]3 years ago
8 0

Answer:

Delivery truck

Explanation:

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How much current would flow in a device powered by four 1.5 V batteries through a bulb that had a resistance of 51.0 ohms?
Serhud [2]

Answer:

0.12A

Explanation:

Total voltage produced by the batteries;

V = 1.5 × 4 = 6 v

Then the current that is flowing through the device

Current(I) = V/R

; I = 6/51

;Current = 0.12A

4 0
3 years ago
Una persona y su perro se encuentran inicialmente en reposo y paradas arriba de una caja que está apoyada sobre un piso rugoso.
alexandr1967 [171]

Answer:

La masa de la mascota es de 11,24 kg.

Explanation:

Dado que la masa total de = 80 kg

Tenemos

Fuerza de fricción = 80 kg × 9.81 × 0.3 = 235.44 N

La mascota salta horizontalmente con una velocidad, v, de 6.0 m / s para dar un movimiento de 1 m a la caja de masa y a la persona

Trabajo realizado por el salto de la mascota = (80 - m) × 9.81 × 0.3

La energía del movimiento del perro = 1/2 × m × v² = Trabajo realizado al saltar de la mascota

1/2 × m × 6² = (80 - m) × 9.81 × 0.3

20943 · m = 235440

m = 235440/20943 = 11,24 kg

5 0
4 years ago
Why are lanthanum and actinium at the bottom of the periodic table?
7nadin3 [17]
The periodic table is organized in a way in which trends with certain things such as ionization energy or atomic radius would "work out". It also have increasing atomic mass.

It's also organized to tell you the electron and proton of each element, least to greatest. (the atomic number) Example: Chlorine has 17 protons and 17 e-
(Left to right)
(Top to bottom)

Lanthanum and actinium play the role of being in the bottom because of their large atomic radius and having many protons/electrons.
They're also in the F block for electron configuration.

8 0
3 years ago
How does the amount of energy in light change as the wavelength increases
Phoenix [80]

Answer

we know,

E= \dfrac{hc}{\lambda}

where

E = energy  

h = planks constant

λ = wavelength

from the above equation, we can see that energy is inversely proportional to wavelength.

E\ \alpha\ \dfrac{1}{\lambda}

that is why  

Violet color light has low wavelength but the energy of  Violet light is very high whereas red light has low energy and high wavelength.

5 0
4 years ago
True or False. A projectile is an object that once set in motion, continues in motion by its own inertia.
bazaltina [42]
The answer is true.
5 0
3 years ago
Read 2 more answers
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