As shown in the figure below, a seal and the penguin are playing a fun game of tag. The penguin first swims rightward 6 m then dodges leftwards another
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Which seasons are the northern and southern hemispheres experiencing in the image? it is summer in both the northern and southern hemispheres. it is summer in the northern hemisphere and winter in the southern hemisphere. it is winter in both the northern and southern hemispheres. it is winter in the northern hemisphere and summer in the southern hemisphere.

The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?

How many atoms of nitrogen are in the chemical formula ni(w on