If the graph of the position as a function of time for an object is a horizontal line, that object cannot be accelerating
A) True
B) False
A
You might also like to view...
The distinguishing feature of a starburst galaxy is
A) a rate of star formation that may be 100 or more times greater than that in the Milky Way. B) the presence of an unusually large number of binary star systems containing x-ray bursters. C) a large luminosity compared to the total luminosity of the Milky Way. D) strong radio emission from "lobes" of material well outside the visible boundaries of the galaxy.
A particle (charge = +40 ?C) is located on the x axis at the point x = ?20 cm, and a second particle (charge = ?50 ?C) is placed on the x axis at x = +30 cm. What is the magnitude of the total electrostatic force on a third particle (charge = ?4.0 ?C) placed at the origin (x = 0)?
A. 41 N B. 16 N C. 56 N D. 35 N E. 72 N
The speed of a vertically-thrown ball at the top of its path is
A) zero. B) 10 m/s2. C) between zero and 10 m/s2. D) dependent on the mass of the ball.
How many moles of H2 bonds are broken if you react nitrogen with hydrogen according to the following reaction?
N2 + 3H2 ? 2 NH3 A) 6 B) 2 C) 3 D) 1 E) 8