the required documents is 3000
Answer:
True
Explanation:
Nikola Tesla defeated Thomas Edison in the AC/DC battle of electric current.
Its safe because it isn't something with electricity
Answer:2058.992KJ
Explanation:
Given data
Mass of object
=521kg
initial velocity
=90m/s
Final velocity
=14m/s
kinetic energy of body is given by=


change in kinectic energy is given by substracting final kinetic energy from initial kinetic energy of body.
Change in kinetic energy=

Change in kinetic energy=

Change in kinetic energy=2058.992KJ