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Kaylis [27]
2 years ago
7

Use the data provided to calculate the amount of heat generated for each cylinder height. Round your answers to the nearest tent

h.
100m: kJ
200 m: kJ
1000 m: kJ

Physics
2 answers:
luda_lava [24]2 years ago
8 0

100m: 4.9 kJ

200m: 9.8 kJ

1000m: 49.1 kJ


VladimirAG [237]2 years ago
7 0

Answer:

100m: 4.9 kJ

200m: 9.8 kJ

1000m: 49.1 kJ

Explanation:

In order to calculate this, you just have to calculate the PE of every cilynder, and as you know the PE is calculated with the next formula:

PE=G*H*M\\PE=Potential-Energy\\G=Gravity\\H=Height\\M=Mass

SO we just hve to insert the values into the formula to get our results, remember that the height will change with every sample because we are putting the cylinder at different heights:

100m:

PE=G*H*M\\PE=9.8*100*5kg= 4900 joules=4.9Kj

200m:

PE=G*H*M\\PE=9.8*200*1kg= 9800 joules=9.8Kj

1000m:

PE=G*H*M\\PE=9.8*1000*1kg= 49100 joules=49.1Kj

And you have the different heat generated by each cilynder at different heights.

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Explanation:

The negative is for the direction (down, towards the center of the earth). Often this can be estimated as -10 m/s^2 to make calculations easier.

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Two 5.0 kilogram objects have different gravitational potential energies. What property of the objects must differ?
ipn [44]

Answer:

Height.

Explanation:

Potential energy can be defined as an energy possessed by an object or body due to its position.

Mathematically, potential energy is given by the formula;

P.E = mgh

Where,

P.E represents potential energy measured in Joules.

m represents the mass of an object.

g represents acceleration due to gravity measured in meters per seconds square.

h represents the height measured in meters.

Hence, the property of the object (having a mass of 5 kilograms) which must differ to have different gravitational potential energies is the height from which they are falling from.

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7 0
2 years ago
A scientist reports a measurement of the temperature of the surface of a newly discovered planet as negative 20 Kelvin. What con
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Answer:

The temperature of this newly discovered planet violates the third law of thermodynamic, there is a mistake in this value.

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The conclusion of the report will be.

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