Which group of hominids lived at the same time as homo sapiens? a. australopithecines c. homo habilis b. homo erectus d. neandertals

Which group of hominids lived at the same time as Homo sapiens?

d. Neandertals

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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