The phase of matter which is exposed to normal atmospheric pressure is solely dependent upon temperature? true or false

Answers

Answer 1

Answer: The statement above is true. The phase of matter which is exposed to normal atmospheric pressure is indeed solely dependent upon temperature. If the matter is exposed to the normal atm pressure, its temperature depends on it.

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How long will it take a car to accelerate from 15.2 to 23.5 m/s if the car has an average acceleration of 3.2 m/s?

Answers

It will take a car, 2.59 s to accelerate from 15.2 to 23.5 m/s.

What is Speed?

speed is described as. the pace at which an object's location changes in any direction. Speed is defined as the distance traveled divided by the travel time. Speed is a scalar quantity because it just has a direction and no magnitude.

Given, the car has an average acceleration of 3.2 m/s².

To solve this problem, we can use the following kinematic equation:

v = u +at

where:

v is the final velocity (23.5 m/s)

u is the initial velocity (15.2 m/s)

a is the acceleration (3.2 m/s^2)

t is the time

We can rearrange this equation to solve for t:

t = (v -u)/a

substituting the values we have:

t = (23.5 - 15.2 ) / 3.2

t = 2.59375 seconds

Therefore, it will take approximately 2.59 seconds for the car to accelerate from 15.2 m/s to 23.5 m/s with an average acceleration of 3.2 m/s².

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Hello!

How long will it take a car to accelerate from 15.2 m/s to 23.5 m/s if the car has an average acceleration of 3.2 m/s² ?

We have the following data:

Vf (final velocity) = 23.5 m/s

Vi (initial velocity) = 15.2 m/s

ΔV (speed interval) = Vf - Vi → ΔV = 23.5 - 15.2 → ΔV = 8.3 m/s

ΔT (time interval) = ? (in s)

a (average acceleration) = 3.2 m/s²

Formula:

$a = \frac{\Delta{V}}{\Delta{T^}}$

Solving:

$a = \frac{\Delta{V}}{\Delta{T^}}$

$3.2 = \frac{8.3}{\Delta{T^}}$

$\Delta{T^} = (8.3)/(3.2)$

$\Delta{T^} = 2.59375 \to \boxed{\boxed{\Delta{T^} \approx 2.6\:s}}\:\:\:\:\:\:\bf\green{\checkmark}$

Answer:

The car will take approximately 2.6 seconds to accelerate

____________________________________

I Hope this helps, greetings ... Dexteright02! =)

How many Btu per hour are lost through a 100-square foot wall that is made up of a 12-inch thick concrete block wall with an R value of 1.89 and 4 inches of fiberglass insulation with an R value of 14.8? The inside temperature is 65 degrees F and the outside temperature is 15 degrees F.

Answers

Answer:

300 Btu per hour

Explanation:

given data

area = 100-square foot

thick = 12 inch

R value at 12 = 1.89

R value at 4 = 14.8

inside temperature = 65 degrees F

outside temperature = 15 degrees F

to find out

How many Btu per hour

solution

we get here How many Btu per hour that is express as

Btu per hour = $(area*temp\ difference)/(r\ value\ 12 + r\ value\ 4)$ ............1

put here value we get

Btu per hour = $(100(65-15))/(1.89+14.8)$

Btu per hour = 299.580

so Btu per hour is 300 Btu per hour

Movement that occurs along a straight line is called:

Answers

linear motion! hope i helped

Some folded mountains result from the collision of continental plates.
a. True
b. False

Answers

it true be cause when one goes under another the ground rise and makes what we call a mountain so therefore it is treu

Q2. Zara travelled in a train moving at an average speed of 120km/h and covered a distance of 40km towards East. Calculate the time taken by the train to cover this distance.

Answers

Answer: 20 minutes

Explanation:

Given the following :

Average speed of train = 120km/hr

Distance = 40km.

The time take by the train moving at an average speed of 120km/hr to cover a distance of 40km due is ;

Recall:

Speed = distance / time

Therefore,

Time taken = distance covered / speed

Time taken = 40km / 120km/hr

Time taken = 1/ 3 hr

Therefore, 1/3 rd of an hour equals

1/3 × 60 = 20 minutes.

Time taken) 20 minutes

Time taken by tain to cover distance is 20 minutes as:

Distance= 40 km

Speed= 120 km/h

Time= distance/speed

= 40/120

= 1/3 hour

= 20 min

or =0.33 hrs

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Which mass extinction occurs the slowest? A. Asteroids
B. Climate Change
C. Volcanic Eruption

Answers

Answer:

B. climate change

Explanation:

asteroids are too big and volaconos are probably gonna create a lot of smoke that can kill ya in seconds so I guess climate change

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