Question

When a satellite go around the earth in a circular orbit of?

Answer 1

Newton’s Cannon remains a thought experiment but in the 20th century it finally became possible to travel at speeds of 8 kilometres per second. Not with cannons, but with rockets.

Newton’s Cannon remains a thought experiment but in the 20th century it finally became possible to travel at speeds of 8 kilometres per second. Not with cannons, but with rockets.Apart from being more comfortable than a cannon, a rocket can travel beyond 100 kilometres altitude and then accelerate to 8 kilometres per second in the emptiness of space. At that speed it takes a mere 90 minutes to circumnavigate the globe.