A woman pushes her new John Deere walk behind mower to the right as she approaches her garage. If she pushes the 55-kg mower with a force of 120 N directed downward at an angle of 40 degrees, what is the acceleration if there is a frictional force of 42 N resisting its motion? What is the normal force acting on the mower?

When does your body conduct current more readily?

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

To understand the electric potential and electric field of a point charge in three dimensions consider a positive point charge q, located at the origin of three-dimensional space. throughout this problem, use k in place of 14? ? 0. part adue to symmetry, the electric field of a point charge at the origin must point from the origin. answer in one word. part bfind e(r), the magnitude of the electric field at distance r from the point charge q. express your answer in terms of r, k, and q. part cfind v(r), the electric potential at distance rfrom the point charge q. express your answer in terms of r, k, and q part dwhich of the following is the correct relationship between the magnitude of a radial electric field and its associated electric potential ? more than one answer may be correct for the particular case of a point charge at the origin, but you should choose the correct general relationship. a)e(r)=dv(r)drb)e(r)=v(r)rc)e(r)=? dv(r)drd)e(r)=? v(r)r