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Korvikt [17]
3 years ago
10

Explain an open, closed, and isolated system.

Physics
2 answers:
Crank3 years ago
8 0
Open system - system in which mass or energy can be lost to or gained from the environment.

closed system - system that does not exchange any matter with its surroundings and is not subject to an external force

isolated system - it can be:
A. a physical system that is so far removed from other systems that it does not interact with them. or
B. a thermodynamic system that is enclosed by rigid immovable walls through which neither matter nor energy can pass through.

hope this helps :)

Natasha2012 [34]3 years ago
5 0
An open system is a system that has external interactions.
a closed system is a physical system that does not allow certain types of transfers in our out of the system.
an isolated system obeys the conservation law that its total energy- mass stays constant.
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The resulatant displacement will be 8.60m

What is displacement?

Displacement is the shortest path covered by an individual.

We have given the distance 5.2km and 3.7Km.

The resultant will be given in the photo



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2 years ago
The current required to stimulate the heart during ventricular fibrillation is about 110mA (1000mA = 1A). Assuming that a conduc
algol [13]

Answer:

Explanation:

Given

current required I=110 mA

Internal Resistance R=300 \Omega

According to ohm law

Current flows in a conductor is directly Proportional to the voltage applied.

V\propto I

V=IR

V=110\times 10^{-3}\times 300

V=33 V  

5 0
3 years ago
A wave with a frequency of 60 hertz would generate 60 wave crests every
VashaNatasha [74]

Answer:

A wave with a frequency of 60 hertz will have 60 successive wave crests occurring every second

Explanation:

A crest is the highest point the medium rises to in a wave. That means that the crest is a point on the wave where the displacement is at a maximum.

Frequency is the number of oscillations of a wave in one second. Hence, frequency of a wave is the number of successive crests occurring in a second.

Therefore a wave with a frequency of 60 hertz will have 60 successive wave crests occurring every second.

3 0
3 years ago
Explica por qué unas sustancias se calientan más rápido que otras
Ierofanga [76]

Explanation:

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4 0
3 years ago
Hydraulic systems utilize Pascal's principle by transmitting pressure from one cylinder (called the primary) to another (called
Paul [167]

Answer:

F1= 122.93 N

Explanation:

Pascal´s Principle

Pascal´s Principle can be applied in the hydraulic press:

If we apply a small force (F1) on a small area piston A1, then, a pressure (P) is generated that is transmitted equally to all the particles of the liquid until it reaches a larger area piston and therefore a force (F2) can be exerted that is proportional to the area (A2) of the piston:

P=F/A

P1=P2

\frac{F_{1} }{A_{1}} = \frac{F_{2} }{A_{2}}   Formula (1)

Data

D1 =  1.85 cm : primary cylinder piston diameter

D2 = 24.5 cm : secondary cylinder piston diameter

m = 2200-kg  : car mass

Piston area calculation

A_{1} = \frac{\pi *(D_{1})^{2}  }{4}

A_{1} = \frac{\pi *(1.85)^{2}  }{4}

A1= 2.688 cm²

A_{2} = \frac{\pi *(D_{2})^{2}  }{4}

A_{2} = \frac{\pi *(24.5)^{2}  }{4}

A2 = 471.435 cm²

Calculating of the weight of the car (W)

W = m*g = 2200-kg * 9.8 m/s² = 21560 N

Calculation of the force in Newtons to be exerted on the primary cylinder piston

Data:

A1= 2.688cm²

A2= 471.435 cm²

F2 = W=  21560 N

We replace data in the formula (1)

\frac{F_{1} }{A_{1}} = \frac{F_{2} }{A_{2}}

F_{1} =\frac{F_{2}*A_{1}  }{A_{2} }

F_{1} =\frac{21560N*2.688 cm^{2} }{471.435 cm^{2} }

F1= 122.93 N

3 0
4 years ago
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