An airplane is flying on a course of 45° at 400 mph. A 70 mph wind coming from the east. What is the speed of the plane? A. 354 mi/hr
B. 452 mi/hr
C. 400 mi/hr

How much work would a child do while puling a 12-kg wagon a distance of 3m with a 22 n force directed 30 degrees with respect to the horizontal? (a) 82j (b) 52j (c) 109j (d) 95j

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.