According to the microwave background radiation Earth is Group of answer choices in a part of the universe that is just like any other part. moving at about 380 km/s toward Leo. near the location of the Big Bang. at the center of the universe. in no special location in the universe.

Emergent properties of living systems are defined as properties that .

Aman is trying to drag a small tree that he cut down. if the static coefficient of friction of the tree on the ground is 0.5 and the tree weighs 670 n, what is the minimum amount of horizontal force that the man will need to apply so that the tree will start moving? o a. 465 n o b. 230 n o c. 670 n o d. 335 n

Find an expression for the electric field e⃗ at the center of the semicircle. hint: a small piece of arc length δs spans a small angle δθ=δs /r, where r is the radius. express your answer in terms of the variables q, l, unit vectors i^, j^, and appropriate constants.