An empty jug of weight W is at rest on a table. When water of weight w is poured into it, the amount of support force supplied by the table is
A) W.
B) W + w.
C) W - w.
D) none of the above
Answer: B
You might also like to view...
Which of the following correctly describes the concept of galactic recycling?
A) New stars are continuously being formed in the Milky Way out of gas that has been ejected from a previous generation of stars. B) In the formation of a star, no matter is wasted as all excess material ends up recycled into planets. C) Stars near the center of the Milky Way are continually recycled to the outskirts of the disk by their orbital motion. D) Life is continuously being spread from star to star in the Milky Way. E) New galaxies are continuously being formed out of gas ejected from a previous generation of galaxies.
The air in an automobile engine at 20°C is compressed from an initial pressure of 1.0 atm and a volume of 200 cm3 to a volume of 20 cm3 . Find the temperature if the air behaves like an ideal gas (? = 1.4) and the compression is adiabatic
a. 730°C b. 460°C c. 25°C d. 50°C e. 20°C
An airplane flies horizontally with a speed of 300 m/s at an altitude of 400 m. Assume that the ground is level. At what horizontal distance from a target must the pilot release a bomb so as to hit the target?
a. 3.0 km b. 2.4 km c. 3.3 km d. 2.7 km e. 1.7 km
What would the concentration of OH- be if the concentration of H3O+ was 1 × 10-8M?
[H3O+] × [OH-] = Kw = 1 × 10-14 A) 1 × 10-14 B) 1 × 10-6 C) 1 × 108 D) 1 × 106 E) 1 × 10-8