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3 years ago

6. Given that white light contains all colors of the spectrum, what growth result would you expect under white light?

1 answer:

4 0

You could probably expect normal plant growth, as a white light is similar to the sun in the respect that it contains all colors of the spectrum.

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A potential energy function for a system in which a two-dimensional force acts is of the form U = 3x6y − 5x. Find the force that

liq [111]

Answer:

Force, $F=((-18x^5y+5)i+(-3x^6)j)\ N$

Explanation:

Given that,

A potential energy function for a system in which a two-dimensional force acts is of the form of :

$U=3x^6y-5x$

We need to find the force that acts at the point (x, y). The force in 2 dimensional with components is given by :

$F=(\dfrac{-dU}{dx},\dfrac{-dU}{dy})\\\\F=(\dfrac{-d(3x^6y-5x)}{dx},\dfrac{d(3x^6y-5x)}{dy})\\\\F=(-(18x^5y-5)),(-(3x^6))\\\\F=((-18x^5y+5)i+(-3x^6)j)\ N$

So, the force acting at the point (x,y) is $((-18x^5y+5)i+(-3x^6)j)\ N$ . Hence, this is the required solution.

7 0

3 years ago

You buy a light bulb in the U.S. labeled 75 watts. Since you bought it in the U.S., the power rating assumes that the potential

MrRissso [65]

Answer:

P₂ = 252 W

Explanation:

The electrical power is

P = V I

The potential difference is

V = I R

I = V / R

Let's replace

P = V² / R

Let's use the given values to calculate the resistance of the bulb

R = V² / P

R = 120²/75

R = 192 ohm

This resistance value does not depend on the applied voltage, so it is constant

Let's calculate the power in Europe

P₂ = V₂² / R

P₂ = 220²/192

P₂ = 252 W

the bulb dissipates much more power

5 0

3 years ago

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Use the periodic table to answer the question

True [87]

Answer: I hope this helps you

Explanation:

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3 years ago

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every object that has mass attracts every other object with a gravitational force. it has been proven that the size of the gravi

erastova [34]

Answer;

- This statement about matter and its behavior is best classified as a Law.

-It is the Law of Universal Gravitation.

Explanation;

-The Law of Universal Gravitation states that every point mass attracts every other point mass in the universe by a force pointing in a straight line between the centers-of-mass of both points, and this force is proportional to the masses of the objects and inversely proportional to their separation.This attractive force always points inward, from one point to the other.

-The Law applies to all objects with masses, big or small. Two big objects can be considered as point-like masses, if the distance between them is very large compared to their sizes or if they are spherically symmetric.

3 0

3 years ago

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What is one way wind or water change the earth?

insens350 [35]

Answer:

water hydrates the earth's soil....

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3 years ago

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