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kompoz [17]
3 years ago
15

A scientist collected the following data, which show how the pressure of water vapor changes with temperature.

Physics
2 answers:
den301095 [7]3 years ago
4 0

Answer:

Make a graph for better visual representation.

Explanation:

Presenting data like that would require someone to see the increase. The best way would be a graph to be shown, to really show the impact by the line going up in the graph.

agasfer [191]3 years ago
4 0

Answer:

Make a graph for better visual representation.

Explanation:

Edge 2020

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Which plane divides the body into right and left halves
Andru [333]
Median plane - Sagittal plane through the midline of the body; divides the body or any of its parts into right and left halves.
4 0
3 years ago
A force of 100N is creating 20Pa of pressure on a surface. Calculate the area of the surface.​
mihalych1998 [28]

Answer:

A = 5 m²

Explanation:

P = F/A

A = F/P

A = 100 / 20

A = 5 m²

8 0
3 years ago
A student lifts a basketball to a height of 6 feet and lets the ball drop to the ground. Which statement accurately compares the
Brums [2.3K]

Answer:C

Explanation:

If you are holding the ball that would be the ball would have potential energy since it it not moving. Once you drop the ball it will have kinetic energy since it’s moving. If you drop the ball from 6ft it will have more kinetic since it will have more time to accelerate. If you drop the ball from 2ft then it will have less kinetic energy since it is closer to the ground and won’t have beeping time to accelerate and get rid of the potential energy.

8 0
3 years ago
Read 2 more answers
A hair dryer draws 14.5 a when plugged into a 120-v line. assume direct current.
AVprozaik [17]
Missing part in the exercise. Complete text:
"A hair dryer draws 14.5 A when plugged into a 120-V line. Assume direct current.

(a) What is its resistance? Express your answer to two significant figures and include the appropriate units."

(b) How much charge passes through it in 11 min ? Express your answer to two significant figures and include the appropriate units.


Solution

(a) We can calculate the resistance by using Ohm's law:

\Delta V= I R

Since we know that \Delta V=120 V and I=14.5 A, we can find R:

R= \frac{\Delta V}{I} =  \frac{120 V}{14.5 A}=8.3 \Omega


(b) The current is equal to the quantity of charge by unit of time:

I= \frac{Q}{t}

In our problem, t=11min=660 s, so we can calculate the charge passed through the hair dryer:

Q=It=14.5 A \cdot 660 s = 9570 C

5 0
3 years ago
For two 0.3-m-long rotating concentric cylinders, the velocity distribution is given by u(r) = 0.4/r-1000r m/s. If the diameters
scoundrel [369]

Answer:

viscosity = 0.051725 N/m-s

Explanation:

Given data

diameter = 0.3 m

u(r) = 0.4/r - 1000r m/s

diameter d1 = 2 cm = 0.02 m

diameter d2 = 4 cm = 0.04 m

rotation = 500 rpm

power = 1 w

to find out

fluid viscosity

solution

we have given

u(r) = 0.4/r - 1000r m/s

du/dr = -0.4/r² + 1000

here r = 0.3 /2 = 0.01 m

du /dr =  -0.4/(0.01)² + 1000

du/dr = 5000

and

so velocity is

force = viscosity  ( 2π×r×L) du/dr

0.026 / 0.02  = viscosity  ( 2π× 0.02×0.04) 5000

viscosity = 0.051725 N/m-s

5 0
3 years ago
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