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lina2011 [118]
3 years ago
13

___________ is a type of angiosperm characterized by having two cotyledons, branching leaf veins, and flower parts that are in f

ours and fives.
Physics
1 answer:
lara31 [8.8K]3 years ago
5 0
The answer to this question is dicot
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Which force causes acceleration(gravity)(friction)(velocity )(energy)
icang [17]

Velocity causes acceleration

Please vote brainliest!

8 0
4 years ago
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Un auto se mueve con velocidad constante de 20 m/s y la mantiene durante 20 s. Después se le aplica una aceleración constante y
pentagon [3]

Answer:

26.67 s

Explanation:

v = Velocidad final = 40 m/s

u = Velocidad inicial = 20 m/s

t_1 = Tiempo inicial = 20 s

t_2 = Tiempo empleado durante la aceleración

a = Aceleración

s = Desplazamiento del automóvil durante la aceleración = 200 m

De las ecuaciones lineales de movimiento tenemos

v^2-u^2=2as\\\Rightarrow a=\dfrac{v^2-u^2}{2s}\\\Rightarrow a=\dfrac{40^2-20^2}{2\times 200}\\\Rightarrow a=3\ \text{m/s}^2

v=u+at_2\\\Rightarrow t_2=\dfrac{v-u}{a}\\\Rightarrow t_2=\dfrac{40-20}{3}\\\Rightarrow t_2=6.67\ \text{s}

El tiempo necesario para acelerar es 6.67 s

El tiempo total necesario para toda la ruta es t=t_1+t_2=20+6.67=26.67\ \text{s}.

4 0
3 years ago
The nuclues of an atom contains which subatomic particles
Umnica [9.8K]
Protons and neutrons. Explanation:
Protons are massive, positively charged
nuclear particles.
3 0
2 years ago
An objects motion changes study island
dybincka [34]

Answer:

D

Explanation:

8 0
3 years ago
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An engine has an energy input of 125 J, and 35 J of that energy is transformed into useful energy. What is the efficiency of the
xeze [42]

The efficiency of the engine at the given useful energy and input energy is 28%.

The given parameters:

  • <em>Input energy of the engine, = 125 J</em>
  • <em>Useful energy of the engine, 35 J</em>

The efficiency of the engine is defined as the ratio of the output energy (useful energy) to the input energy and it is calculated as follows;

efficiency\ = \frac{0ut put \ energy}{1nput \ energy} \times \ 100\%\\\\efficiency\ = \frac{35}{125} \times 100\%\\\\efficiency\ = 28 \ \%

Thus, the efficiency of the engine at the given useful energy and input energy is 28%.

Learn more about efficiency of engine here: brainly.com/question/6751595

7 0
2 years ago
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