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3 years ago

5

In a transpiration experiment, the air bubble has an initial volume of 4.33 mL, and an initial pressure of 101.9 kPa. What will

be the pressure reading after the plant transpires 0.26 mL of water from the tubing

1 answer:

ira [324]3 years ago

8 0

Answer:

Explanation:is in the picture below

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Calculate the vertical distance an object dropped from rest would cover in 12 seconds if it fell freely without air resistance

Nikolay [14]

Answer:

705.6 m

Explanation:

time, t = 12 sends

initial velocity, u = 0

Acceleration due to gravity, g = - 9.8 m/s^2

As the object is falling freely so the initial velocity is zero.

Let the distance traveled by the body is h in time t = 12 s.

Use second equation of motion

$h = u t - 1/2 gt^{2}$

Ad the distance is downwards so take it as negative

So, $-h = 0 - 1/2\times 9.8 \times 12 \times 12$

h = 705.6 m

Thus, the distance traveled in 12 second is 705.6 m

4 0

3 years ago

Action potentials _______.(A) are only found at the axon hillock and along the axon.(B) Two of the answers are correct.(C) are v

MAXImum [283]

Answer:

A

Explanation:

Action potentials are generated at axon hillock because it contains higher density of Na+ channels.From here it is conducted down the axon with equal intensity. It initially depolarizes then polarizes, the order is strict. However, its not affected by the distance they travel.

4 0

3 years ago

Which is the correct product of the significant figures 3278 and 42?

Svetradugi [14.3K]

Answer:

$1.4\cdot 10^5$

Explanation:

In multiplications or divisions, the result must be written using a number of significant figures equal to the smallest number of significant figures contained in the original numbers.

For instance, in this case the two numbers are:

3278 --> 4 significant figures

42 --> 2 significant figures

So, the product must be written using 2 significant figures.

Calculating the product, we get:

$3278\cdot 42=137676$

Therefore, using 2 significant figures only, the result is

$1.4\cdot 10^5$

8 0

3 years ago

The length of the adult mosquito is typically between 3.0 mm and 6.0 mm. The smallest known mosquitoes are around 2.5 mm, and th

FrozenT [24]

0.74in

Explanation:

Given parameters:

length range of adult mosquito = 3.0 - 6.0mm

Smallest mosquito = 2.5mm

Largest mosquito = 19mm

Average mass range = 3.0 - 5.0mg

Unknown:

Length of largest known mosquito in inches = ?

Solution;

The length is the longest dimension. It is how long a body is.

The problem here is converting from mm to inches;

The length of the longest mosquito which is the largest is 19mm

19mm to inches;

1mm = 0.039inches

19mm = 19mm x $\frac{0.039in}{1mm}$ = 0.74in

learn more:

Scale brainly.com/question/570757

#learnwithBrainly

4 0

3 years ago

The amount of movement of the particles depends on the amount of _________ acting on them and their relationship to other atoms.

Liula [17]

Answer: The amount of movement of the particles depends on the amount of <u>force</u> acting on them and their relationship to other atoms.

Explanation:

The inter-atomic force determines the inter-atomic distance which governs the amount of movement of the particles.

For example in solids, the inter-atomic force is stronger and hence, the distance between any atoms is very very small which restricts the movement of the particles. On the other hand, in case of liquids and gases, the inter-atomic forces are not very strong and there is more distance between the atoms which allows free movement of particles.

4 0

4 years ago