Calculate the speed of an 8.0 x 10^4kg airliner with a kinetic energy of 1.1 x 10^9j

kinetic-energy

#1

Calculate the speed of an 8.0 x 10^4kg airliner with a kinetic energy of 1.1 x 10^9j

Answer:

KE = ½mv²
1.1 x 10^9 = ½ x 8 x 10^4 v²
v² = 2.75 x 10^4
v ≈ 165.8 m/s