The 0 1 lb projectile A is subjected to a drag force of magnitude kv 2 , where the constant k 0 0002 lb sec 2 ft 2 This drag force always opposes the velocity v At the instant depicted, v 100 ft sec, 45, and r 400 ft Determine the corresponding values of r and y ku 15 x...

The drag force on the projectile A can be expressed as FD kv Where k 00002 lbsec2ft2 and v is ...

The 0.1-lb projectile A is subjected to a drag force of magnitude kv 2 , where the

Question:

The 0.1-lb projectile A is subjected to a drag force of magnitude kv², where the constant k = 0.0002 lb-sec²/ ft². This drag force always opposes the velocity v. At the instant depicted, v = 100 ft/sec, θ = 45°, and r = 400 ft. Determine the corresponding values of r¨ and θ¨.