Please answer really fast
Identify the type of friction acting in each scenario.

A surfer rides an ocean wave.

A bowling ball travels down a bowling lane.

A baseball flies through the air.

A hose rests on the edge of a truck.

frictions are :fluid, rolling, sliding, static, air resistance

Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

True or false graphs must include scales that increase by the same amount