The kinetic energy will decrease by 4J.
The energy an object has as a result of motion is known as kinetic energy in physics. It is described as the effort required to move a mass-determined body from rest to the indicated velocity. The body holds onto the kinetic energy it acquired during its acceleration until its speed changes.
first-order kinetic energy KE i\s =0.5×m×v
Final Kinetic Energy = 0.5 mV (K.E. 1/2 0.5(3355) =
2/2 KE difference = KE f-KE i
KE difference
Difference in KE = 1/4(925)
Difference in KE = -16/4 = 4J.
Consequently, kinetic energy will decrease by 4J.
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