Question: Both rocks are thrown from the same height. Therefore, the initial potential energy of Sandy's rock is Blank the initial potential energy of Chris's rock.target

Both rocks are thrown from the same height. Therefore, the initial potential energy of Sandy's rock is Blank the initial potential energy of Chris's rock.target

1

5

The rocks have the same initial speed. Therefore, the initial kinetic energy of Sandy's rock is Blank the initial kinetic energy of Chris's rock. So

,

the total energy of Sandy's rock is Blank the total energy of Chris's rock.target

2

5

target

3

5

Both rocks reach the ground at the same height. Therefore, the final potential energy of Sandy's rock is Blank that of Chris's rock. Therefore, the kinetic energy

(

and the speed

)

of Sandy's rock is Blank that of Chris's rock.

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