#P=W/(Delta t)" (definition of power)"#
#W=F*Delta x" (definition of work"#
#F=m*a" (The Newton's second law of motion)"#
#W=m*a*Delta x#
#P=(m*a*Delta x)/(Delta t)#
#(Delta x)/(Delta t)=v#
#P=m*a*v" (definition of velocity)"#
#P:"Power"#
#"m:mass of object ;(4 kg)"#
#a:"acceleration of object ;(6) "m/s^2#
#v:"velocity of object ;(3) "m/s#
#P=4*6*3#
#P=72" Watt"#