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Physics

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Two trees have perfectly straight trunks and are both growing perpendicular to the flat horizontal ground beneath them. The sides of the trunks that face each other are separated by 1 m. A frisky squirrel makes three jumps in rapid succession. First, he leaps from the foot of one tree to a spot that is 0.9 m above the ground on the other tree. Then, he jumps back to the first tree, landing on it at a spot that is 1.8 m above the ground. Finally, he leaps to the other tree, now landing at a spot that is 2 m above the ground. What is the magnitude of the squirrel's displacement?

  • Physics - ,

    h^2=1.3^2+2.5^2=1.69+6.25=7.94
    h=sqrt7.94
    =2.82m

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