2 years ago

If you were analyzing a microscopic model of a freshwater ecosystem, what is one autotroph you might encounter? (1 point)

Biology

1 answer:

horrorfan [7]2 years ago

7 0

Answer:

algae

Explanation:

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terry physics pushes a 75kg lab cart so that is accelerates from rest with a velocity of 4.4m/s in 3.1 secounds. what is the for

svetlana [45]

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Explanation:

Given parameters:

Mass of cart = 75kg

Velocity = 4.4m/s

time taken = 3.1s

Unknown:

Force = ?

Solution:

To solve this problem, we are going to apply newton's second law of motion. The law states that "the acceleration of a body is directly proportional to the force on the body and inversely proportional to the mass".

F = m x a

F = force on body

m = mass of body

a = acceleration of the body

But we know that acceleration is the change in velocity with time of a body;

a = $\frac{change in velocity }{time}$