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erastova [34]
3 years ago
8

Which change would cause the largest increase in a mountain climber’s gravitational potential energy?

Physics
2 answers:
3241004551 [841]3 years ago
5 0
<span>carrying twice the weight and climbing twice as high</span>
Andrew [12]3 years ago
5 0

Answer : The correct option is (c).

Explanation :

The energy which is due to the height of an object under the action of gravity is called gravitational potential energy.

Mathematically, it can be written as :

P = m g h

Where,

m is the mass of the object

g is the acceleration due to gravity

h is the height of the object from the reference level

So, potential energy is directly proportional to both the mass and the height.

The statement about the largest increase in a mountain climber’s gravitational potential energy is "carrying twice the weight and climbing twice as high".

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A student on an amusement park ride moves in circular path with a radius of 3.5 m once every 4.5 s. What is the tangential veloc
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Explanation:

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The tangential velocity of the student is calculated as follows;

v = \frac{2\pi r}{t} \\\\v = \frac{2 \pi \times 3.5}{4.5} \\\\v = 4.89 \ m/s

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Fluid pressure changes with depth are assumed to be linear. Which statement best explains why this does not hold true for atmosp
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Answer:

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P = h d g

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4 0
3 years ago
A 0.877 mol sample of N2(g) initially at 298 K and 1.00 atm is held at constant volume while enough heat is applied to raise the
MissTica

Answer : The value of q\text{ and }\Delta U is 286.2 J and 286.2 J respectively.

Explanation : Given,

Moles of sample = 0.877 mol

Change in temperature = 15.7 K

First we have to calculate the heat absorbed by the system.

Formula used :

q=n\times c_v\times \Delta T

where,

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n = moles of sample = 0.877 mol

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q=0.877mol\times \frac{5}{2}\times 8.314J/mol.K\times 15.7K

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\Delta U=q=286.2J

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