The first length measured in a laboratory is 2.9 m ± 3.4% and the second length 5.4 m ± 1.9% a What is the sum of the lengths?

How many electrons in an atom could have these sets of quantum numbers? =3n=3 electronselectrons =4,ℓ=2n=4,ℓ=2 electronselectrons =6,ℓ=ℓ=−1n=6,ℓ=2,mℓ=−1

Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.

The power exerted by a muscle is the product of the force exerted and the velocity of contraction. the area of which of these shaded regions represents the power exerted while a weight is lifted at maximum speed?