Gravitational fields (A-level only)

Which of the following statements is correct?

The orbital period of $Q$ is twice the orbital period of $P$ .

The linear speed of $P$ is $2\sqrt{2}$ times the linear speed of $Q$ .

The gravitational acceleration experienced by $Q$ is half that experienced by $P$ .

The kinetic energy of $Q$ is half the kinetic energy of $P$ .

Which of the following statements is correct?

The orbital period of $Q$ is twice the orbital period of $P$ .

The linear speed of $P$ is $2\sqrt{2}$ times the linear speed of $Q$ .

The gravitational acceleration experienced by $Q$ is half that experienced by $P$ .

The kinetic energy of $Q$ is half the kinetic energy of $P$ .

Gravitational fields (A-level only) Questions