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Ostrovityanka [42]
2 years ago
6

Can someone please answer this, ill give you brainliest Would be very appreciated.

Physics
2 answers:
marshall27 [118]2 years ago
7 0

Answer:

cohesive properties

Explanation:

The property of cohesion allows liquid water to have <u>no tension on the surface</u>.

Juli2301 [7.4K]2 years ago
3 0

Answer:

Cohesive properties

Explanation:

  • Cohesive properties denotes to attraction of particles on surface like sticking with each other
  • Water has higher cohesive properties so no surface tension
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Hydrogen gas (H2) can be found in trace amounts in Earth’s atmosphere. Which of these statements describes a physical property o
notka56 [123]
<span>Hydrogen gas (H2) can be found in trace amounts in Earth’s atmosphere.

a. Hydrogen is found in acids.
b. Hydrogen gas is highly flammable.
c. Hydrogen reacts with oxygen to form water.
These are true, but they all describe chemical properties
of Hydrogen, not physical properties.

d. Hydrogen gas is less dense than oxygen gas.
Yes !  This is a physical property of Hydrogen.
</span>
7 0
3 years ago
a crane does 9,500 J of work to lift a crate straight up using a force of 125 N. how high does the crane lift the crate?
Lina20 [59]

Answer:

<em>The crane lifts the crate up to 76 m high</em>

Explanation:

<u>Work Done by a Force</u>

The work done by a force of magnitude F that displaces an object by a distance y is given by

W=F.y

We know a crane does a work of 9,500 Joule to lift a crate and is using a force of 125 Nw.

The above equation can be solved to know the value of y in terms of the work and the force:

\displaystyle y=\frac{W}{F}

Plugging in the given values

\displaystyle y=\frac{9,500}{125}

y=76\ m

The crane lifts the crate up to 76 m high

7 0
3 years ago
A step-down transformer providing electricity for a residential neighbor-hood has exactly 2680 turns in its primary. when the po
Fynjy0 [20]
The turns ratio is equal to the voltage ratio. Let n1 and n2 be the primary and secondary turns. Then
5850V/120V=n1/n2
48.75=2680/n2
n2=2680/48.75
n2=55
6 0
3 years ago
In a hydroelectric dam the potential energy of lake water is transformed into _ energy as it begins to more.
Marianna [84]

Answer:

mechanical energy

Explanation:

7 0
3 years ago
Read 2 more answers
The small metal cylinder has a mass of 0.20 kgkg, the coefficient of static friction between the cylinder and the turntable is 0
deff fn [24]

Answer:

velocity of the metal cylinder = 0.343 m/s

Explanation:

Force putting the metal cylinder is given by

F = mv²/r

But this force will balance the frictional force between the metal cylinder and the turntable

The frictional force is given by

μN = μ × mg = 0.08 × 0.2 × 9.81 = 0.15696 N

r = 0.15 m, m = 0.2 kg,

F = mv²/r = 0.2 v²/(0.15) = 1.3333 v²

1.3333 v² = 0.15696

v² = 0.117

v = 0.343 m/s

8 0
3 years ago
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