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3 years ago

Which activity directly converts energy from the Sun into chemical energy?

1 answer:

4 0

The biological process that directly converts energy from the Sun into chemical energy would be Photosynthesis. It is a process carried out by autotrophic organisms which are predominantly plants and other photosynthetic bacteria.

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A block of mass 3.6 kg, sliding on a horizontal plane, is released with a velocity of 1.7 m/s. The block slides and stops at a d

pentagon [3]

Answer:

The block would have slid 12.6 m if its initial velocity were increased by a factor of 2.8.

Explanation:

Given:

Mass of the block (m) = 3.6 kg

Initial velocity (u) = 1.7 m/s

Final velocity (v) = 0 m/s

Displacement (S) = 1.6 m

First we will find the acceleration of the block.

Using the equation of motion, we have:

$v^2=u^2+2aS\\\\a=\dfrac{v^2-u^2}{2S}$

Now, plug in the given values and solve for 'a'. This gives,

$a=\frac{0-1.7^2}{2\times 1.6}\\\\a=\frac{-2.89}{3.2}=0.903\ m/s^2$

The acceleration is negative as it is resisting the motion.

Now, the initial velocity is increased by a factor of 2.8. So,

New initial velocity = 2.8 × 1.7 = 4.76 m/s

Again using the same equation of motion and expressing the result in terms of 'S'. This gives,

$v^2=u^2+2aS\\\\S=\dfrac{v^2-u^2}{2a}$

Now, plug in the given values and solve for 'S'. This gives,

$S=\frac{0-4.76^2}{2\times -0.903}\\\\S=\frac{-22.6576}{-1.806}=12.6\ m$

Therefore, the block would have slid 12.6 m if its initial velocity were increased by a factor of 2.8

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3 years ago

In an experiment if doubling the manipulated variable results in doubling of the responding variable the relationship between th

vodomira [7]

In an experiment if doubling the manipulated variable results in doubling of the responding variable the relationship between the variable is a direct. Having a direct relationship means that the relationship between two numbers or other variables where an increase or decrease in one variable causes the same change to the other variable.

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3 years ago

Physics Question: (ignore the part crossed in red) 14459688

adell [148]

Spinning a marshmallow over a fire is effective maybe if you hang it over the fire and heat it up equally on each side

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3 years ago

A trip is taken that passes through the following points in order

MaRussiya [10]

Answer:

40.0 m

...............

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3 years ago

Which layer of the earth can be seen from the open hole

umka21 [38]

Answer:

the inner core

Explanation:

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3 years ago

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