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2 years ago

I forgot this someone help

Physics

1 answer:

dexar [7]2 years ago

6 0

Answer:

A. water + carbon dioxide + sunlight = oxygen + glucose !

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You throw a bouncy rubber ball and a wet lump of clay, both of mass m, at a wall. Both strike the wall at speed v, but while the

lana [24]

Answer:

The fifth option is the correct answer: mv; 2 mv

Explanation:

Change of Momentum

Assume an object has a momentum p1 and after some interaction it now has a momentum p2, the change of momentum is

$\Delta p=p_2-p_1$

The momentum is computed as

$p=mv$

Where m is the mass of the object and v its speed. Now let's analyze the situation of both the ball and the clay.

The clay has an initial speed v and a mass m, thus its initial momentum is

$p_1=mv$

When it hits the wall, it sticks, thus its final speed is 0 and

$p_2=0$

The change of momentum is

$\Delta p=0-mv=-mv$

The absolute change is mv

Now for the ball, the initial condition is the same as it was for the clay, but the ball hits back at the same speed, thus its final momentum is

$p_2=-mv$

The change of momentum is

$\Delta p=-mv-mv=-2mv$

The absolute change is 2mv

The fifth option is the correct answer: mv; 2 mv

3 0

3 years ago

To span the distance between two switches, why is adding an intermediate switch not an attractive choice

navik [9.2K]

Adding an intermediate switch is not an attractive choice to span the distance between two switches due to expense issues. It may have different ports.

<h3>What is a network switch?</h3>

A switch refers to a hardware tool capable of connecting different computer devices in a network.

A network switch can connect devices on a network by centralizing communications among many devices in a given local area network.

A switch may support different speeds for transmission of data (for example, one gigabit Gbps per second).

Learn more about network switches here:

brainly.com/question/12811608

3 0

2 years ago

What is the water potential of pure water?

DanielleElmas [232]

Hey :)

The water potential of pure water in an open container is zero because there is no solute and the pressure in the container is zero

3 0

3 years ago

A rock is thrown from a cliff and hits the ground five seconds later at a distance of 50 m from the cliff how high was a cliff

Iteru [2.4K]

Answer:

122.5m

Explanation:

d= 1/2 (9.8) (5) ^2

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3 years ago

In an experiment, a research collected the following informationabout a solution made from a certain

velikii [3]

Answer:

salt

Explanation:

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3 years ago