3 years ago

Where does the autotroph get its energy from

1 answer:

7 0

Autotroph's are usually producers like plants, or fungi, so they use get their energy from the sun through photosynthesis, or oxygen or carbon.

Glad I could help.

Brainliest please.

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A simple watermelon launcher is designed as a spring with a light platform for the watermelon. When an 8.00 kg watermelon is put

olga_2 [115]

To solve this problem it is necessary to apply the concepts related to the Force from Hooke's law, the force since Newton's second law and the potential elastic energy.

Since the forces are balanced the Spring force is equal to the force of the weight that is

$F_s = F_g$

$kx = mg$

Where,

k = Spring constant

x = Displacement

m = Mass

g = Gravitational Acceleration

Re-arrange to find the spring constant

$k = \frac{mg}{x}$

$k = \frac{8*9.8}{0.1}$

$k = 784N/m$

Just before launch the compression is 40cm, then from Potential Elastic Energy definition

$PE = \frac{1}{2} kx^2$

$PE =\frac{1}{2} 784*0.4^2$

$PE = 63.72J$

Therefore the energy stored in the spring is 63.72J

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3 years ago

What is the total resistance of a 3-ohm resistor and a 6-ohm resistor in parallel?

Fittoniya [83]

1/R=1/3+1/6
1/R=2/6+1/6=3/6
R=6/3=2ohms
Total R=2ohms

5 0

3 years ago

A 700kg car had 12,000 joules of kinetic energy, Calculate it’s velocity !! please help due right now !!

Margarita [4]

Answer:

velocity of car=5.855 m/s

Explanation:

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3 years ago

How much heat is released when a 10.0-g sample of iron cools from 75.0°c to 25.5 °c? the specific heat capacity of iron is 0.449

GalinKa [24]

M = 10.0 g, the mass of the iron sample
ΔT = 75 - 25.2 = 49.5°C, the decrease in temperature
c = 0.449 J/(g-°C), the specific heat of iron

The heat released is
Q = m*c*ΔT
= (10.0 g)*(0.449 J/(g-°C))*(49.5 C)
= 222.255 J

Answer: 222.3 J (nearest tenth)

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3 years ago

What if energy, like electricity, could not be converted to other forms like sound, heat, motion, or light?

EleoNora [17]

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3 years ago