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yan [13]
3 years ago
5

What is the average velocity between 3.00 and 6.00 seconds?

Chemistry
2 answers:
diamong [38]3 years ago
8 0
1)
average velocity:
(3,9)
(6,36)
average velocity=(36-9)m/(6-3) s=27m/3s=9 m/s

Answer: 9 m/s, east. 

2)
(12, 144)
(15,225)
average velocity=(225-144)m/(15-12)s=81 m/3s=27 m/s

Answer: 27 m/s,east. 
ehidna [41]3 years ago
8 0

Answer :

(1) The correct option is, 9.00 m/s, east

(2) The correct option is, 27.00 m/s, east

Explanation :

Average velocity : It is defined as the change in the displacement with respect to the change in time.

Formula used :

V_{average}=\frac{\Delta d}{\Delta t}=\frac{d_{final}-d_{initial}}{t_{final}-t_{initial}}

where,

d = displacement

t = time

(1) Now we have to calculate the average velocity between 3.00 and 6.00 seconds.

V_{average}=\frac{36m-9m}{6s-3s}=9m/s

The average velocity between 3.00 and 6.00 seconds is, 9 m/s, east

(2) Now we have to calculate the average velocity between 12.00 and 15.00 seconds.

V_{average}=\frac{225m-144m}{15s-12s}=27m/s

The average velocity between 12.00 and 15.00 seconds is, 27 m/s, east

Therefore, (1) The correct option is, 9.00 m/s, east

(2) The correct option is, 27.00 m/s, east

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3 0
3 years ago
A rock is found to have a mass of 200 g and a volume of 100 ml. what is the rock's density?
GaryK [48]
Mass over volume
200 over100
2
4 0
3 years ago
This is what the map is for question 4
serious [3.7K]

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4 0
2 years ago
Nitric oxide (NO) is a gaseous molecule with lipid solu- bility similar to that of O2 and CO2. Endothelial cells lining arteries
svp [43]

Answer:

NO passively diffuses down its concentration gradient through the endothelial cell plasma membrane out of the cell and then passiveley diffuses through the plasma membrane into the cytoplasm of the smooth muscle cell, where it acts to decrease contraction.

Explanation:

Hello,

At first, we must consider that O_2 and CO_2, NO passively diffuses through membranes. As it is produced by an enzyme and accumulates in the endothelial cell cytosol, NO passively diffuses down its concentration gradient through the endothelial cell plasma membrane out of the cell and then passiveley diffuses through the plasma membrane into the cytoplasm of the smooth muscle cell, where it acts to decrease contraction.

Best regards

5 0
3 years ago
The weather report says that if the temperature drops 10°, it will reach 25° below zero. The current temperature T can be found
Neporo4naja [7]

Answer:

The current temperature is -15° (15° below zero)

Explanation:

The temperature drops 10°:

T-10°

It will reach 25° below zero:

T - 10° = -25°

We add 10° in both members of the equation:

T - 10° +10° = -25° +10°

The equation is simplified as follows:

T = -25° +10°

T = -15°

The integer -15° can be expressed as 15° below zero.

8 0
2 years ago
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