A man with a wrist on his hands fall from the top of a tower. does the watch give correct time?

Which of the following is an example of units for speed

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j