Question

The total energy associated with a satellite of mass 400kg in a circular orbit -3.13×10^9J. What is its kinetic and potential energy

Answer 1

Answer:

Kinetic energy = 3.13* 10^9 J

Potential energy = - 6.26 * 10^9 J

Explanation:

Because,

Total energy : Kinetic enery : potential energy

= -1 : 1 : - 2

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Answer 2

(I). The kinetic energy is $-3.13\times10^{9}$

(II). The potential energy is $-6.26\times10^{9}\ J$

Explanation:

Given that,

Total energy $E= -3.13\times10^{9}\ J$

Mass = 400 Kg

Potential energy equals twice the total energy.

Total energy equals negative kinetic energy.

We need to calculate the kinetic energy

Using formula of energy

$E=-K$

$K.E=- E$

Put the value into the formula

$K.E=-3.13\times10^{9}$

We need to calculate the potential energy

Using formula of total energy

$U=2E$

Put the value into the formula

$U=2\times-3.13\times10^{9}$

$U=-6.26\times10^{9}\ J$

Hence, (I). The kinetic energy is $-3.13\times10^{9}$

(II). The potential energy is $-6.26\times10^{9}\ J$

Learn more :

Topic : kinetic energy

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