In expressions like ?v and ?t, ? stands for

a. "change in". b. "triangle".
c. a constant of proportionality. d. a variable.


a

Physics & Space Science

You might also like to view...

The capacitance per unit length of a very long coaxial cable, made of two concentric cylinders, is 50 pF/m

What is the radius of the outer cylinder if the radius of the inner one is 1.0 mm? (k = 1/4??0 = 8.99 × 109 N ? m2/C2) A) 0.50 mm B) 4.0 mm C) 2.0 mm D) 3.0 mm E) 1.0 mm

Physics & Space Science

Compare the critical heat flux for a flat horizontal surface with that for a submerged horizontal wire of 3-mm-diameter in water at saturation temperature and pressure.

GIVEN
? Flat, horizontal surface and a submerged, horizontal wire
FIND
(a) Critical heat flux for both geometries
ASSUMPTIONS
? The water is at atmospheric pressure
PROPERTIES AND CONSTANTS
From Appendix 2, Table 13

Physics & Space Science

A crate is given an initial speed of 3.0 m/s up the 25.0° plane shown in Fig. 5–33.

(a) How far up the plane will it go?
(b) How much time elapses before it returns to its starting point?

Physics & Space Science

Find the uncertainty in the momentum (in kg ? m/s) of an electron if the uncertainty in its position is equal to 3.4 × 10^?10 m, the circumference of the first Bohr orbit

a. 6.2 × 10^?25 b. 1.6 × 10^?25 c. 15.5 × 10^?25 d. 19.4 × 10^?25 e. 2.0 × 10^?24

Physics & Space Science