Agraph of the net force f exerted on an object as a function of x position is shown for the object of mass m as it travels a horizontal distance 3d . which expression represents the change in the kinetic energy of the object?

An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2

Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2