prestomiller1234
Answered

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a boulder with a mass of about 1.5 x 10^5 kg falls and strikes the ground at 70 m/s how much kinetic energy dies the boulder deliver to the ground PLEASE HELP NEED HELP ASAP

Sagot :

jamyangnorzin

Explanation:

K.E=1/2mv^2

m=1.5×10^5

v=70

K.E=1/2×1.5×70

K.E=52.5×10^5

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