A large hawk (3455 g) picks up a 72.5 g rodent and lifts it 3.22 m from the ground, to a rock ledge.

How much work, in joules, did the bird do to raise the rodent, only, to the rock ledge?

• 2.28 J
• 221 J
• 2.28 x 10^3 J
• 2.21 x 10^-1 J

B) The hawk (3455g) from the previous question picks up a 72.5 g rodent and lifts it 3.22m from the ground, to a rock ledge.

How much work, in joules, did the bird do to lift itself, only, to the rock ledge?

• 111 J
• 1.13 J
• 1.09 x 10^2 J
• 1.09 x 10^5 J