Hey.. i am having problems solving the following question...

2) A 40-kg kangaroo exerts a constant force on the ground in the firs 60 cm of her jump, and rises 2.0 m higher. When she carries a baby kangaroo in her pouch, she cna rise only 1.8 m higher, What is the mass of the baby kangaroo?

I am not interested in the answer so much.. but in the logic of the problems.. i just cant do a free body diagram for them..

plz help

,dan

2) A 40-kg kangaroo exerts a constant force on the ground in the firs 60 cm of her jump, and rises 2.0 m higher. When she carries a baby kangaroo in her pouch, she cna rise only 1.8 m higher, What is the mass of the baby kangaroo?

I am not interested in the answer so much.. but in the logic of the problems.. i just cant do a free body diagram for them..

plz help

,dan

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