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cupoosta [38]
3 years ago
15

What is tiny holes on the surface of a plant?

Physics
1 answer:
chubhunter [2.5K]3 years ago
7 0
The tiny holes on the surface of plants are what the plant use to store sunlight and food/water
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A 300g ball and a 100g ball are dropped from a tower. Both balls are the same size and their is no air resistance. Which one hit
kifflom [539]

Answer: The balls would hit the ground at the same time.

Explanation: Since there is no air resistance, we would put Galileo's experiment into motion. Galileo once performed an experiment of dropping two items, with different masses, from the tower of Pisa. Since there was no air resistance, the balls hit the ground at the same time. In this problem, the balls are "free-falling." Freefall is a term used in Physics to describe the motion of a falling object experiencing only the acceleration due to gravity. g=9.8 m/s^2 (acceleration due to gravity.) 9.8 will always be the acceleration in a free fall event like this with no air resistance, since Gravity remains constant.

Newton's second law of motion states that F=ma, (force is equal to mass times acceleration), but since Newton also states that f=mg, we can conclude that ma=mg. Stating that no matter what the mass of the object is, both of the objects will fall at the same time with the same velocity.

3 0
3 years ago
Suppose you have 1 kg each of iron, glass, and water, and all three samples are at 10°C.
Kipish [7]

To solve this problem it is necessary to apply the concepts related to heat exchange and Entropy.

The temperature and mass remain constant, therefore the entropy values will be the only ones to change.

Of the three elements given their entropy values are given by

\Delta S_{iron}=0.45J/gmC

\Delta S_{glass}=0.8J/gmC

\Delta S_{water}= 4.186J/gmC

Part A) From thermodynamic theory we know that temperature is inversely proportional to entropy

T = \frac{E}{\Delta S} \rightarrow Energy remains constant

\Delta t \propto \frac{1}{S}

Therefore the order would be

Lowest Temperature= Water

Medium Temperature= Glass

Highest Temperature=Iron

Part B) In the case of Energy the opposite happens because it is proportional to the entropy, then

E = T(\Delta S) \rightarrowTemperature is constant

E \propto S

Lowest Energy = Iron

Medium Energy = Glass

Highest Energy = Water

6 0
3 years ago
What is the resistance of a 20.0-meter-long
IgorC [24]
I'm pretty sure it's 8, I could be wrong though
3 0
3 years ago
Read 2 more answers
What does it mean when we say two objects are in equilibrium
cupoosta [38]

An object is considered to be in a condition of equilibrium when it is balanced with regard to all external forces.

Equilibrium:

An object is considered to be in equilibrium if both its angular acceleration and the acceleration of its center of mass are equal to zero. In layman's terms: The item must either be at rest or moving at a constant speed if it is not accelerating because F = ma (force = mass x acceleration). Even in motion, a body can be in equilibrium. This kind of equilibrium is referred to as a dynamic equilibrium.

A weight suspended by a spring or a brick laying on a flat surface is an example. The equilibrium is unstable if the force with the smallest deviation tends to increase the displacement. As an example, imagine a ball bearing on the edge of a razor blade.

Learn more about equilibrium here:

brainly.com/question/13153118

#SPJ1

8 0
2 years ago
Define1n force ? write down cgs unit of force​
Ghella [55]

Force is a vector, it has direction, it can move objects and it was well described with laws by physicist Isaac Newton by which the units of force were named Newtons (N).

Hope this helps.

r3t40

4 0
4 years ago
Read 2 more answers
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