What is the magnitude of the vertical-velocity component of the rock as it hits the ground?
a. 8.81 m/s
b. 7.39 m/s
c. 25.8 m/s
d. 19.3 m/s
c
You might also like to view...
A charge of 8.0 pC is distributed uniformly on a spherical surface (radius = 2.0 cm), and a second charge of -3.0 pC is distributed uniformly on a concentric spherical surface (radius = 4.0 cm). Determine the magnitude of the electric field 5.0 cm from the center of the two surfaces
a. 14 N/C b. 11 N/C c. 22 N/C d. 18 N/C e. 40 N/C
Parallel-Plate Capacitor: Which of the following will increase the capacitance of a parallel-plate capacitor? (There could be more than one correct choice.)
A. a decrease in the plate area and an increase in the plate separation B. a decrease in the potential difference between the plates C. an increase in the potential difference between the plates D. an increase in the plate area and a decrease in the plate separation E. an increase in the charge on the plates
A charge of 0.80 nC is placed at the center of a cube that measures 4.0 m along each edge. What is the electric flux through one face of the cube?
a. 90 N × m2/C b. 15 N × m2/C c. 45 N × m2/C d. 23 N × m2/C e. 64 N × m2/C
Few smartphones have built-in digital cameras that can take quality photos.
Answer the following statement true (T) or false (F)