Which statement about the orbit and speed of a comet is correct?
The comet's orbit is circular and its speed is constant throughout its orbit.
The comet's orbit is elliptical and its speed is greatest when it is closest to the Sun.
The comet's orbit is elliptical and its speed is constant throughout its orbit.
The comet's orbit is circular and its speed is greatest when it is closest to the Sun.
60 exam-style questions on CIE IGCSE Physics 6.1.2a Contents of the Solar System. Each one has a worked solution and a mark scheme showing where the marks go.