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krek1111 [17]
3 years ago
8

TRUEFALSEButter requires a great dealof friction to slide on a hotcookies tray?​

Physics
1 answer:
Blababa [14]3 years ago
6 0

Answer:

verdadero

Explanation:

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A small diameter lead ball and a large diameter rubber ball are dropped from a tower. The balls hit the ground at the same time.
Gekata [30.6K]

Answer:

A) No conclusion can be drawn without more information about the two balls.

Explanation:

8 0
4 years ago
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A sample of a gas has a volume of 52 l at a pressure of 1.2 atm. what volume will the gas occupy if the pressure is changed to 0
Shtirlitz [24]
<h2>Equation of state of an ideal gas</h2>

<em>The </em><em>ideal gas law is derived</em><em> from the ga</em><em>s laws of Boyle, Charles, Gay Lussac and General.</em>

To solve this exercise, we obtain the data of the exercise:

  • V₁ = 52 Lt
  • P₁ = 1,2 atm
  • P₂ = 0.75 atm
  • V₂ = ¿?

<em>The general formula of the </em><em>Equations of state of an ideal gas is:</em>

<h3>P₁V₁=P₂V₂, Where</h3>
  • P₁ = Initial pressure
  • V₁ = Initial volume
  • P₂ = End Pressure
  • V₂ = Final Volume

We clear the formula, since it is the value that we must calculate.

<h3>V₂ = P₁V₁ / P₂</h3>

To solve, we substitute our data in the formula; and we solve

<h3>V₂ = (1,2 atm)·(52 Lt) / 0.75 atm</h3><h3>V₂ = 0.832 Lt</h3>

Answer:<em> The </em><em>volume that the gas will occupy</em><em> if the pressure increases to 0.75 atm is </em><em>0.832 lt.</em>

<h2>See more about this at:</h2><h3>brainly.com/question/15907283</h3>
3 0
2 years ago
A 0.9 kg metal bolt is heated to an unknown initial temperature. It is then dropped into a Calorimeter containing 0.15 kg of wat
Montano1993 [528]

Answer:

Whets nasılsın merhaba arkadaşlar ben bu etikete yazar nasılsın

8 0
3 years ago
When you enter a toll road, your ticket is stamped 1:00 p.m. When you leave, after traveling 55 miles, your ticket is stamped 2:
Viefleur [7K]
27.5 because of you divide the 55miles with the time you get your velocity which is the speed.
4 0
3 years ago
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A helicopter is ascending vertically witha speed of 5.40 m/s. At a height of 105 m above the earth a package is dropped from the
Mrac [35]

Answer: 5.21 s

Explanation:

Given

Helicopter ascends vertically with u=5.4\ m/s

Height of helicopter h=105\ m

When the package leaves the helicopter, it will have the same vertical velocity

Using equation of motion

\Rightarrow h=ut+\dfrac{1}{2}at^2\\\\\Rightarrow 105=-5.4t+0.5\times 9.8t^2\\\Rightarrow 4.9t^2-5.4t-105=0\\\\\Rightarrow t=\dfrac{5.4\pm \sqrt{5.4^2+4\times 4.9\times 105}}{2\times 4.9}\\\\\Rightarrow t=\dfrac{5.4\pm 45.68}{9.8}\\\\\Rightarrow t=5.21\ s\quad \text{Neglect negative value}

So, package will take 5.21 s to reach the ground

4 0
3 years ago
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