pythagoras' theorem on right angled triangle. sides 125, 65
sqrt (125^2 +65^2)
Increasing the level of an incline:
Increases final velocity
Increases the work done
Increases the initial potential energy
Increases the final kinetic energy
Answer:
The speed of driver N is 22.1594 m/s
Explanation:
the solution is in the attached Word file
P.E= Mass x gravity x height (standard gravity = 10m/s approaximately)
= 200x10x10= 20000j (D)
Like charges repel and opposite charges attract.