Alight ray that enters a substance with a higher index of refraction than that of the substance where it originated will the substance with the higher index of refraction.
a. move more slowly in
b. move more quickly in
c. move at the same speed as before in

Which of the following quantities are units of momentum? (there could be more than one correct choice.) a)n m b) kg s/m c) kg m/'s d)n-s 12 points] e) kg m2/s2

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.

Acircuit is built based on this circuit diagram what is the equivalent resistance of the circuit? a.0.61 b.1.6 c.7.5 d.18