In the case of constant acceleration, the average velocity equals the instantaneous velocity:
a. at the beginning of the time interval.
b. at the end of the time interval.
c. half-way through the time interval.
d. three-fourths of the way through the time interval.
C
You might also like to view...
Elementary Particles: Which of the following particles are leptons? (There may be more than one correct choice.)
A. protons B. neutrons C. electrons D. photons E. quarks
On the way to lower floors, an elevator begins its descent from rest at a constant acceleration, descending the first 5.0 m in 0.85 s. What is the apparent weight of a 75 kg man inside the accelerator during this time interval?
A. 0.74 kN B. 1.8 kN C. 0.30 kN D. 1.0 kN
A 1.0-C point charge is 15 m from a second point charge, and the electric force on one of them due to the other is 1.0 N. What is the magnitude of the second charge? (k = 1/4??0 = 8.99 × 109 N ? m2/C2)
A) 25 C B) 1.0 C C) 10 nC D) 0.025 C E) 25 nC
In expressions like ?v and ?t, ? stands for
a. "change in". b. "triangle". c. a constant of proportionality. d. a variable.