PLZ HURRY A 751 drivers drops from a board 9.10 m above the waters surface How much kinetic energy does the diver have when he is 2.50 m above the water

If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

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.