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Nadya [2.5K]
3 years ago
11

What force(s)

Chemistry
1 answer:
AlekseyPX3 years ago
8 0
Friction, applying the brakes, and wind
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If you answer this by tomorrow i will mark you as brainlies plz try your best it is really important.!!!! Word Definition Pictur
Romashka [77]

Answer:

This is the Hierarcy of Orginzation

Many molecules make up cell

many cells make up tissues

tissues make up organs

organs make up organ system

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pickupchik [31]

Answer:

1.Fill in the blank with the correct term to make the statement true.

During the (night)

at the beach, the land cools down

(slower)

than the

(ocean).

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dense air rises over the ocean and the cooler,

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2.Which statement is true about winds?

Winds always blow from low to high pressure.

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Winds always blow from water to land.

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Winds always blow from land to water.

false

3. Winds always blow from high to low pressure. How do landmasses impact the movement of air and water?

They stop all movement of both air and water.

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They slow down the air but speed up the water.

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3 0
3 years ago
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When the ideal gas law constant 0.0821 is used, what unit of pressure should be used in the ideal gas law calculation?
Julli [10]
The pressure unit is in atmospheres or atm. To confirm this from the ideal gas equation: 

R = VP/nT

plugging in the standard values of pressure, temperature and molar volume,

R = (22.4L/mo)l(1atm)/(273.15K) = 0.0821
7 0
3 years ago
Suppose a liquid level from 5.5 to 8.6 m is linearly converted to pneumatic pressure from 3 to 15 psi. What pressure will result
wlad13 [49]

Answer:

a) P = 9.58 psi for  h=7.2 m

b) P=4.7 psi for h=5.94 m

Explanation:

Since the pressure Pon a static liquid level h is

P= p₀ + ρ*g*h

where p₀= initial pressure , ρ=density , g = gravity

then he variation of the liquid level Δh will produce a variation of pressure of

ΔP= ρ*g*Δh → ΔP/Δh =  ρ*g = ( 15 psi - 3 psi) /( 8.6 m - 5.5 m)  = 12/3.1 psi/m

if the liquid level is converted linearly

P = P₁ + ΔP/Δh*(h -h₁)

therefore choosing  P₁ = 3 psi and h₁= 5.5 m , for h=7.2 m

P = 3 psi  + 12/3.1 psi/m *(7.2 m -5.5 m) = 9.58 psi

then P = 9.58 psi for  h=7.2 m

for P=4.7 psi

4.7 psi = 3 psi  + 12/3.1 psi/m *(h -5.5 m)

h = (4.7 psi - 3 psi)/ (12/3.1 psi/m) + 5.5 m = 5.94 m

then P=4.7 psi for h=5.94 m

5 0
4 years ago
Will give brainliest!!
Nikolay [14]

Answer: True.

Explanation: A teakettle does have a greater frequency than a drumbeat.  The teakettle has a higher pitched sound and frequency than a low pitched sound like a drumbeat. So a teakettle is high and a drumbeat is low.

4 0
2 years ago
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