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2 years ago

Identify the role of organisms in this food chain.

Physics

2 answers:

Llana [10]2 years ago

8 0

Answer:

the grass is the producer, the mushroom is the decomposer, the dragonfly is the primary consumer, the frog is the secondary, and the hawk is the tertiary consumer.

Explanation:

Hope this helps :)

erica [24]2 years ago

8 0

Answer:

A. Frog

C. Hawk

D. Snake

Explanation:

I just took the test and these answers are right!

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A machine part rotates at an angular speed of 0.07 rad/s; its speed is then increased to 3.4 rad/s at an angular acceleration of

34kurt

Answer:

In first case angular displacement will be 11.55 radian

In second case it will be 4 times the previous case

Explanation:

We have given that machine rotates at an angular velocity of 0.07 rad/sec

So initial angular velocity $\omega _i=0.07rad/sec$

And its speed is increases to 3.4 rad/sec

So final angular velocity is $\omega _f=3.4rad/sec$

Angular acceleration $\alpha =0.5rad/sec^2$

According to third equation of motion we know that

$\omega _f^2=\omega _i^2+2\alpha \Theta$

$3.4^2=0.07^2+2\times 0.5\times \Theta$

$\Theta =11.55radian$

Now initial angular velocity and final angular velocity both are doubled but angular acceleration is constant

So $\omega _i=2\times 0.07=0.14rad/sec$

And $\omega _f=2\times 3.4=6.8rad/sec$

So $6.8^2=0.14^2+2\times 0.5\times \Theta$

$\Theta =46.22radian$

So angular displacement will be 4 times the earlier displacement

4 0

2 years ago

A 5 kilogram block is dropped from a height of 3 meters and falls straight to the ground. What is the work done by the force of

vazorg [7]

Answer:

Workdone = 147Nm

Explanation:

Given the following data;

Mass = 5kg

Height = 3m

We know that acceleration due to gravity is 9.8m/s²

First of all, we would find the force applied;

$Force = mass * acceleration$

Force = 5*9.8

Force = 49N

Now, to find the workdone;

$Workdone = force * distance$

Substituting into the equation, we have;

Workdone = 49 * 3

Workdone = 147Nm

5 0

2 years ago

A tall tube is evacuated and its stopcock is closed. The open end of the tube is immersed in a container of water (density 10^3

LuckyWell [14K]

Answer:

10.19 m

Explanation:

Water will rise to equalize the pressure inside and outside the tube.

The equation of pressure is given by

$p=\rho gh$

Where,

p = Pressure of air = 10⁵ N/m²

ρ = Density of water = 10³ kg/m³

g = Acceleration due to gravity = 9.81 m/s²

h = Height the water will rise

$h=\frac{p}{gh}\\\Rightarrow h=\frac{10^5}{9.81\times 10^3}\\\Rightarrow h=10.19\ m$

∴ The water will rise by 10.19 m.

7 0

2 years ago

500km is equal to how many millimeters

Sindrei [870]

Answer:

500000000

if you can give me brainliest that would be great

7 0

3 years ago

two masses are separated by 1 m. suppose the masses are moved so they are 2 m apart how will the gravitational force change

Verdich [7]

The gravitational force would get stronger because the farther the two masses are separated the more gravitational force will be used to pull them together the closer they are the less gravitational pull is used to pull them together

5 0

2 years ago