The answer is 3, 240J
KE=1/2 m v^2
KE= 1/2(45kg)(12m/s)^2
KE=1/2*45*144
KE= 3, 240 Joules
Answer:
The story he tells about the cave could have influenced different modern day ideas. Some examples might include religion, abuse, and imprisonment.
Explanation: :)
Here is your answer
C. towards the floor
REASON:
Using Fleming's Left hand rule we can determine the direction of force applied on a moving charged particle placed in a magnetic field.
The direction of current will be just opposite to the direction of electron(negative charge) because current moves from positive to negative terminal whereas electron moves from negative to positive terminal.
So, direction of current- North to South
Now applying Fleming's Left hand rule we get the direction of force in downward direction, i.e. towards the floor.
HOPE IT IS USEFUL
Answer:
No. The torque required after attaching the rope is the same as it was before attaching the rope.
L = r X F
The torque was not increased by attaching the rope.
For efficiency the top one is 50% and the bottom one is 72%