At its current rate of consuming hydrogen, the Sun can stably shine for ________
Fill in the blank(s) with correct word
another five billion years
You might also like to view...
Violet light has a wavelength of approximately _______
a. 400 nm b. 4000 nm c. 7000 nm d. 700 nm e. 3×10^8 m
Answer the following statement(s) true (T) or false (F)
1. The rod creates a magnetic field in that frame. 2. The proton feels an electric force in that frame. 3. The proton feels a magnetic force in that frame 4. Imagine a situation where in one inertial reference frame there is a uniform electric field but no magnetic field. It is possible to find another inertial reference frame where there is a magnetic field but no electric field. 5. If the electric and magnetic fields are both zero in any given frame, they are zero in all frames.
When we fission the U-235 nucleus, the total rest-mass of all the resulting fragments of matter
A) is more than the mass of the original nucleus B) is the same as the mass of the original nucleus. C) is turned into broccoli. D) is less than the mass of the original nucleus. E) None of the above.
Which of the following not generally thought of as matter?
A) light B) trees C) air D) clouds E) rain