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PSYCHO15rus [73]
3 years ago
11

Please help on all i cant figure out

Physics
1 answer:
lapo4ka [179]3 years ago
4 0
Number 2- Liquids
Number 3- Cells
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a high speed train travels with an average speed of 250 km/h. the train travels for 2 hrs. how far does the train travel
steposvetlana [31]

Answer:

<h3>The answer is 500 km </h3>

Explanation:

The distance covered by an object given it's velocity and time taken can be found by using the formula

<h3>distance = average velocity × time</h3>

From the question

average speed = 250 km/h

time = 2 hrs

We have

distance = 250 × 2

We have the final answer as

<h3>500 km</h3>

Hope this helps you

5 0
3 years ago
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Which of the following factors influence the electrical resistance of a circuit?
stealth61 [152]
-- material and thickness of the interconnecting wires;

-- number, type, and configuration of all the devices
between the in- and out-terminals of the circuit ...
the points that connect to the battery;

-- quality of the connections at the points where
circuit devices connect to wires or to each other.
5 0
3 years ago
Una persona A tiene cierta cantidad de masa y una persona B tiene la mitad de masa de la persona A ¿como es el peso de B respect
musickatia [10]

Answer:

El peso de la persona B es la mitad del peso de la persona A.

Explanation:

El peso de la persona B puede calcularse con la siguiente ecuación:

P_{B} = m_{B}g   (1)

En donde:

m_{B}: es la masa de la persona B

g: es la gravedad

Dado que la persona B tiene la mitad de la masa de la persona A, tenemos:

m_{B} = \frac{m_{A}}{2}  (2)

En donde:

m_{A}: es la masa de la persona A

Al introducir la ecuación (2) en (1) nos queda:

P_{B} = \frac{m_{A}}{2}g   (3)

Sabemos que el peso de la persona A está dado por:

P_{A} = m_{A}g   (4)

Entonces, al introducir la ecuación (4) en (3) tenemos:

P_{B} = \frac{P_{A}}{2}

Por lo tanto, el peso de la persona B es la mitad del peso de la persona A.

Espero que te sea de utilidad!

5 0
3 years ago
What happens when warm air rises? (5 points) (will give brain)
Lina20 [59]

Answer:

b)

movement creates a difference in air pressure.

as warm air rises up it creates a vaccum so due to that the pressure in that region decreases.

8 0
3 years ago
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Does Drag Oppose Lift​
katrin2010 [14]
I do not understand your question..
8 0
3 years ago
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