A scientific research probe is in a circular orbit around Mars at an altitude of 3.4 × 106 m above the Martian surface.
The radius of Mars is 3.4 × 106 m and its mass is 6.4 × 1023 kg.
What is the angular speed of the probe?
Take G=6.67×10−11 N m2 kg−2 \text{Take } G = 6.67 \times 10^{-11}\text{ N m}^2\text{ kg}^{-2} Take G=6.67×10−11 N m2 kg−21.4×10−7 rad s−11.4 \times 10^{-7}\text{ rad s}^{-1}1.4×10−7 rad s−1
3.7×10−4 rad s−13.7 \times 10^{-4}\text{ rad s}^{-1}3.7×10−4 rad s−1
1.0×10−3 rad s−11.0 \times 10^{-3}\text{ rad s}^{-1}1.0×10−3 rad s−1
0.96 rad s−10.96\text{ rad s}^{-1}0.96 rad s−1
52 exam-style questions on AQA A Level Physics Gravitational fields (A-level only), covering Newton's law (A-level only), Gravitational field strength (A-level only), Gravitational potential (A-level only), and Orbits of planets and satellites (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.