What are some ways that seed dispersal can happen

Physics

2 answers:

Leno4ka [110]3 years ago

8 0

Seeds can blow off plants in the wind and pollinate through air travel

8090 [49]3 years ago

7 0

Seed Dispersal. Before they can grow into new plants, seeds need to leave the seed pod. ... The main methods plants use to disperse their seeds to places with better growing conditions than directly under the parent plant include gravity, anim

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An asteroid with a mass of 5.0 x 105 kg collides with the Earth and slides horizontally along the ground without bouncing (not a

V125BC [204]

The strength of the friction doesn't matter. Neither does the distance or the time the asteroid takes to stop. All that matters is that the asteroid has

1/2 (mass) (speed squared)

of kinetic energy when it lands, and zero when it stops.
So

1/2 (mass) (original speed squared)

is the energy it loses to friction in order to come to rest.

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3 years ago

a skier starts at rest at the top of a hill with 350 J of gravitational potential energy. Assuming energy is conserved, what is

spayn [35]

Answer:

350Joules

Explanation:

According to law of Conservation of energy, the amount of energy at the used up at the start is equal to that at the end.

The initial energy used up is gravitational potential energy

Final energy at the lowest point is kinetic energy.

If the energy is conserved then it means energy is not used up during the process hence;

Initial Potential energy = Final kinetic energy

If the gravitational potential energy is 350Joules then her final kinetic energy at the lowest point will also be 350Joules

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3 years ago

What is simple machine?

PolarNik [594]

Explanation:

Those tools that helps to make our work easier ,faster and more convenient in our daily life it is called simple Machine.

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3 years ago

Una mujer esta segando su prado con segadora eléctrica cuya cuchilla gira a 1500rpm. La mujer encuentra una zona de hierba alta

maks197457 [2]

Answer:

α= 15.4[rad/s^2], 500 [rev/min]

Explanation:

La aceleración angular constante esta definida por la siguiente ecuación:

$w=w_{0} + \alpha *t\\Donde:\\w=2000 [\frac{rev}{min}]*[\frac{1min}{60s} ] *[\frac{2\pi rad}{1 rev} ]=209.4[\frac{rad}{s} ]\\w_{0} =1500 [\frac{rev}{min}]*[\frac{1min}{60s} ] *[\frac{2\pi rad}{1 rev} ]=157.1[\frac{rad}{s} ]\\t=3.4[s]\\reemplazando:\\209.4-157.1=\alpha *(3.4)\\\\alpha =15.4[\frac{rad}{s^{2} } ]$

Para poder llegar a las 2000 [revoluciones /min] estando en 1500 [rev/min], la cuchilla tuvo que incrementar su numero de revoluciones a 500 [rev/min]. Mientras aceleraba.

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3 years ago

A 1300-turn coil of wire that is 2.2 cm in diameter is in a magnetic field that drops from 0.11 T to 0 {\rm T} in 12 ms. The axi

KiRa [710]

Answer:

The induced voltage is $\epsilon = 4.53 \ V$