Answer the remaining questions based on the scenario provided here: A canon shoots a cannonball at a 60° angle at a velocity of 125 m/s. The cannonball lands back on the ground at the end of the motion
How far does the cannon ball get displaced? (x direction)

398.8m
1381.3m
800.0m
693.8m

Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.

What was the first instrument to ever record an earthquake?

Aman jogs at a velocity of 2.5 m/s west for 1,200 s. he then walks at a velocity 1.0 m/s east for 500 s and then stops to rest . what is the displacement of man when he stops to rest?