Ahiker in africa discovers a skull that contains 43% of its original amount of c-14 find the age of the skull to the nearest year n=noe^-kt no=inital amount of c-14 (at time t=0) n= amount of c-14 at time t k=.0001

Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?

What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight

Which governments provide garbage collection services to homes and businesses