CUET Preparation Today
The energy of satellite |
1.6 × 107 joule 4.9 × 107 joule 0.2 × 107 joule -1.5 × 1010 joule |
-1.5 × 1010 joule |
Energy of the satellite E = $\frac{1}{2}~mv^2 - \frac{GMm}{r}$ $=\frac{1}{2} \times 500 \times(4000)^2-\frac{\left(6.67 \times 10^{-11}\right) \times\left(5.97 \times 10^{24}\right) \times 5000}{3.6 \times 10^7}$ = -1.5 × 1010 joule |
