If a point is located 10 ft. from a counter-clockwise rotating vortex of strength Γ = 1000 ft2/sec and 2 ft. from a clockwise rotating vortex of strength Γ = 500 ft2/sec, both vorticies being on a common line with the point and on the same side of it, what is the velocity induced at the point?

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.

b. a lightning bug, plug of grass, and a worm