If you have 55 grams of different substances, the most dense substance would have which volume?
select one:
a. 10 m3
b. 1 m3
c. 100 m3
d. 0.10 m3

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.

Does heating a metal wire increase or decrease its electrical resistance? why?

Your friend increases her force on the desk by 30n . she doesn't change the direction of her push . what happens to the net force on the desk .will the desk accelerate