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3 years ago

What things can increase the rate of evaporation

Physics

2 answers:

olga nikolaevna [1]3 years ago

7 0

Heat, gravitational pull, amount of gas and what type of gas in the air.

Ne4ueva [31]3 years ago

3 0

1:Temperature 2:Surface area 3:reduces density of surrounding water vapour in the air Hope this Helps!! :)

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According to the law of conservation of energy, how will the sum of the kinetic

Margaret [11]

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3 years ago

A ball took 0.45s to hit the ground 0.72m from the table. What was the horizontal velocity of the ball as it rolled off the tabl

dusya [7]

the ball hits the ground a very high velocity

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4 years ago

What minimum volume must the slab have for a 75.0 kgkg woman to be able to stand on it without getting her feet wet

Alisiya [41]

V = 0.9375 m3 is minimum volume .

<h3>What is density ?</h3>

We use the word "density" to indicate how much space (or "volume") an object or substance occupies in relation to the amount of matter contained therein (its mass).
Density can also be defined as the quantity of mass per unit of volume. A dense object is one that is both hefty and small.

Given,

1000 kg/m3 = density of water

920 kg/m3 = density of ice

BF = Woman Weight + Slab Weight

Pvg = 75 + Pvg

V = 75 kg / (1000 - 920)

V = 75 / 80

V = 0.9375 m3

Therefore, V = 0.9375 m3 is minimum volume .

Learn more about density

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2 years ago

After the double-blind review policy was instituted, what percentage of published papers had a male first author?

Arte-miy333 [17]

Answer:

hesadghtyou is you here boiii

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3 years ago

A hunter stands on a frozen pond (frictionless) and fires a 4.20g bullet at 965m/s horizontally.The mass of hunter + gun is 72.5

Afina-wow [57]

Answer:

The the recoil velocity of the hunter is 0.056 m/s in opposite direction of the bullet.

Explanation:

Given;

mass of bullet, m₁ = 4.2 g = 0.0042 kg

mass of hunter + gun = 72.5 kg

velocity of the bullet, u = 965 m/s

Momentum of the bullet when it was fired;

P = mv

P = 0.0042 x 965

P = 4.053 kg.m/s

Determine the recoil velocity of the hunter.

Total momentum = sum of the individual momenta

Total momentum = momentum of the bullet + momentum of the hunter

Apply the principle of conservation of momentum, sum of the momentum is equal to zero.

$P_{hunter} + P_{bullet} = 0\\\\P_{hunter} = -P_{bullet}\\\\72.5v = -4.053\\\\v = \frac{-4.053}{72.5} \\\\v = - 0.056 \ m/s\\\\Thus, the \ recoil \ velocity \ of \ the \ hunter \ is \ 0.056 \ m/s, \ in \ opposite \ direction \ of \ the \ bullet.$

Therefore, the the recoil velocity of the hunter is 0.056 m/s in opposite direction of the bullet.

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4 years ago