A cannonball is shot off a cliff with a speed of 77.02 m/s and an angle of 34 degrees above the horizontal. What is the horizontal components of the initial velocity?

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

Positrons are spontaneously emitted from the nuclei of

Students in an introductory physics lab are performing an experiment with a parallel-plate capacitor made of two circular aluminum plates, each 11 cm in diameter, separated by 1.0 cm. how much charge can be added to each of the plates before a spark jumps between the two plates? for such flat electrodes, assume that value of 3×106n/c of the field causes a spark.