Hi could you please answer questions 31 to 35 clearly thank you

Part C: Communication [10 marks] Answer the following questions in the form of short answers with clear description and calculation where needed. 31. Describe a situation where an object is accelerating but its velocity is zero.(2) 32. In designing new aerospace launch shuttles, for the same initial upward velocities, how many times higher will a shuttle travel above the surface of Mars (g = 3.7 m/s? [down]) than above the surface of Earth? Assume negligible air resistance on Earth.(2) 33. High frequency, very short wavelength Gamma Rays are used to treat some types of cancer. Describe how this is possible. (2) 34. Differentiate between inertial and non-inertial frames of reference. Provide examples of each. (2) 35. Looking out a train window, you see a train on the adjacent track. Explain why you think it might be the other train moving when it is really your train that has started to move.(2)