A syringe has an inside radius of its barrel of 0.50 cm and at the opening at the end of the needle the radius is 1.0 mm. If a force F is applied to the plunger, what is the force produced at the opening of the needle?
a. 5F
c. F/5
b. 25F
d. F/25
D
You might also like to view...
Relative Velocity: A swimmer heading directly across a river that is 200 m wide reaches the opposite bank in 6 min 40 s. During this swim, she is swept downstream 480 m. How fast can she swim in still water?
A. 0.50 m/s B. 0.80 m/s C. 1.2 m/s D. 1.4 m/s E. 1.8 m/s
Photon Momentum: What is the wavelength of a photon having the same momentum as an electron that is traveling at 7.5 km/s? (h = 6.626 × 10-34 J ? s, melectron = 9.11 × 10-31 kg)
Fill in the blank(s) with the appropriate word(s).
You can create an avatar for use in multiple websites, social media sites, and apps.
Answer the following statement true (T) or false (F)
Passing arsenic contaminated water through a long pipe filled with sand and iron powder leads to removal of the arsenic by
A) a physical change. B) an oxidation-reduction reaction. C) ion exchange. D) filtering out the suspended arsenic particles. E) only a and b