When using a moveable pulley to lift an object, _ of the object's weight is supported by the section of rope attached to the ceiling. This is why a moveable pulley requires _ effort force than a fixed pulley to lift an object. A. half, less B. all, less C. half, more D. all, more

Answers

Answer 1

Answer:

Answer:

UGHH IT WAS HALF AND LESS OMG :(

Explanation:

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The acceleration due to gravity on the surface of Jupiter is about 2.5 times the acceleration due to gravity on Earth’s surface. What would be the weight of a space probe on the surface of Jupiter?A.2.5 times lighter than on Earth
B.6.25 times heavier than on Earth
C.2.5 times heavier than on Earth
D.6.25 times lighter than on Earth

Answers

Answer: The correct answer is option C.

Explanation:

Weight = Mass × Acceleration

Let the mass of the space probe be m

Acceleration due to gravity on the earth = g

Weight of the space probe on earth = W

$W=m* g$

Acceleration due to gravity on the Jupiter = g' = 2.5g

Weight of the space probe on earth = W'

$W'=mg'=m* 2.5g$

$(W')/(W)=(m* 2.5g)/(m* g)$

$W'=2.5* W$

The weight of the space probe on the Jupiter will be 2.5 times the weight of the space probe on earth.

Hence, the correct answer is option C.

Answer:

2.5 times heavier than on Earth

Explanation:

Sebanyak 0,2 mol gas ideal berada dalam wadah yang volumenya 10 liter dan tekanan 1 atm . berapakah suhu gas tersebut

Answers

The temperature of the gas is about 600 K

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Further explanation

The Ideal Gas Law that needs to be recalled is:

$\large {\boxed {PV = nRT} }$

P = Pressure (Pa)

V = Volume (m³)

n = number of moles (moles)

R = Gas Constant (8.314 J/mol K)

T = Absolute Temperature (K)

Let us now tackle the problem !

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Question (Translation):

A total of 0.2 moles of ideal gas are in containers with volume of 10 liters and a pressure of 1 atm. What is the temperature of the gas?

Given:

number of moles = n = 0.2 moles

volume of gas = V = 10 liters

pressure of gas = P = 1 atm

gas contant = R = 0.0821 L.atm/mol.K

Unknown:

temperature of gas = T = ?

Solution:

$PV = nRT$

$1 * 10 = 0.2 * 0.0821 * T$

$10 = 0.01642 * T$

$T = 10 / 0.01642$

$T \approx 600 \texttt{ K}$

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Learn more

Minimum Coefficient of Static Friction : brainly.com/question/5884009
The Pressure In A Sealed Plastic Container : brainly.com/question/10209135
Effect of Earth’s Gravity on Objects : brainly.com/question/8844454

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Answer details

Grade: High School

Subject: Physics

Chapter: Pressure

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Keywords: Gravity , Unit , Magnitude , Attraction , Distance , Mass , Newton , Law , Gravitational , Constant , Liquid , Pressure

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c. 50%
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Answers

If there is no difference in the dry and wet bulb temperatures,
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Answers

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Answers

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B. 5/9°F

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