If a K0 meson at rest decays in 0.90 × 10^-10 s, how far will a K0 meson moving at 0.95c travel through a bubble chamber? (c = 3.00 × 10^8 m/s)
a. 2.6 cm
c. 9.3 cm
b. 8.2 cm
d. 13 cm
B
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Which of the following statements is true?
A. electric field lines stay inside equipotent surfaces B. equipotent surfaces intersect in straight lines C. equipotent surfaces intersect in curved lines D. electric field lines are perpendicular to equipotent surfaces E. equipotent surfaces are parallel to each other
Which of the following is not a vector quantity?
A) velocity B) speed C) acceleration D) all are vector quantities E) none are vector quantities.
The block that displaces the greatest volume of water when submerged is a
A) 1-kg block of aluminum. B) 1-kg block of iron. C) 1-kg block of lead. D) all the same
An object that is 4.0 cm tall is placed 15 cm in front of a concave mirror of focal length 20 cm. (a) Where is the image formed and how far is it from the mirror? (b) How tall is the image?
What will be an ideal response?