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kirza4 [7]
3 years ago
7

Why do you think plants surround the seeds with a yummy fruit?

Physics
1 answer:
beks73 [17]3 years ago
4 0

Answer:Cross-pollination is two plants that work together to pollinate and self-pollinate is when a flower pollinates itself. ... Why do you think plants surround the seeds with a yummy fruit? To protect the seeds so that they can reproduce. How is cross-pollination different from self-pollination?

Explanation:

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Dimas reads that it takes 270 N to lift a firefighter's equipment. If a firefighter does 5400 J of work carrying the equipment u
Alex787 [66]

Answer:

h = 20 m

Explanation:

Given that,

Force to lift a firefighter's equipment, F = 270 N

Work done, W = 5400 J

We need to find the height climbed by the firefighter. We know that,

Work done, W = Fd

So,

d=\dfrac{W}{F}\\\\d=\dfrac{5400}{270}\\\\d=20\ m

So, the firefighter climb from a height of 20 m.

7 0
3 years ago
Read 2 more answers
Se colocan tres objetos, muy cerca uno del otro, dos al mismo tiempo. Cuando se juntan los objetos A y B, se repelen. Cuando se
docker41 [41]

Answer:

Los objetos A y C tienen cargas del mismo signo (opcion a)

Explanation:

Hay dos tipos de cargas : cargas positivas y cargas negativas.

La Ley de Coulomb dice que la fuerza electrostática entre dos cargas puntuales es proporcional al producto de las cargas e inversamente proporcional al cuadrado de la distancia que las separa, y tiene la dirección de la línea que las une y se cumple que:

  • La fuerza ejercida sobre una carga apunta hacia la otra cuando las dos tienen distinto signo (fuerza atractiva).
  • El sentido de la fuerza se dirige hacia el lado opuesto de la carga cuando ambas tienen el mismo signo (fuerza repulsiva).

Es decir que las cargas de igual signo se repelen, mientras que las de diferente signo se atraen.

Entonces, si se juntan los objetos A y B y se repelen significa que la carga es del mismo signo.

Cuando se acercan los objetos B y C, se repelen. Entonces significa que posee carga de igual signo.

Por lo que podes concluir que <u><em>los objetos A y C tienen cargas del mismo signo (opcion a)</em></u>

8 0
3 years ago
When you get into a car with hot black leather in the middle of the summer and it hurts your skin whe you sit this is an example
NeTakaya
C.the heat is conducted to your skin
3 0
3 years ago
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Healthy blood vessels do what more easily? open close or move
Viktor [21]
They open more easily.
8 0
4 years ago
Read 2 more answers
When light reflects on a mirror, does it undergo a phase change?
Lynna [10]
The light does not undergo a phase change.

Also, the surface of a mirror is a rigid boundary.
5 0
3 years ago
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