When a cannon fires a cannonball at a given speed, the smaller recoil speed of the cannon is due to differences in
A) forces.
B) times.
C) masses.
D) momenta.
Answer: C
You might also like to view...
Magnifying Glass With the Image at Infinity: A magnifying glass has a focal length of 7.0 cm. What is the angular magnification if the image is viewed by a person having a relaxed eye with the near point of 25 cm?
A. 1.6 B. 2.6 C. 3.6 D. 4.6
A heat pump can
A) cool an environment. B) warm an environment. C) both of these D) neither of these
As more resistors are added in series to a constant voltage source, the power supplied by the source
A) increases. B) decreases. C) does not change. D) increases for a time and then starts to decrease.
What is the energy released for the reaction where the products are 0.0051 u less than the reactants? (1 u = 931.5 MeV/c2)
a. 7.6 MeV c. 4.8 MeV b. 5.2 MeV d. 8.5 MeV