Jawaban:
81,6J
Penjelasan:
dik= m=0,8kg , h=10m, v= 2m/s, g=10m/s²
dit= Em
cara = Em= Ep+Ek
Ep= 0,8×10×10
= 8×10
= 80J
Ek= 1/2×0,8×2²
= 1/2×0,8×4
= 1/2×3,2
= 1,6J
Em= 80+1,6 = 81,6J
btw ksih jwban tercerdas dung
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Jawaban:
81,6J
Penjelasan:
dik= m=0,8kg , h=10m, v= 2m/s, g=10m/s²
dit= Em
cara = Em= Ep+Ek
Ep= 0,8×10×10
= 8×10
= 80J
Ek= 1/2×0,8×2²
= 1/2×0,8×4
= 1/2×3,2
= 1,6J
Em= 80+1,6 = 81,6J
btw ksih jwban tercerdas dung