A series of ocean waves, 2.5 m between crests, move past at 2.0 waves/s. Find their speed
a. 2.5 m/s
c. 8.0 m/s
b. 5.0 m/s
d. 10 m/s
B
You might also like to view...
In Einstein's General Theory of Relativity, higher dimensions beyond the three that we can comprehend are called
A) hidden space B) hyperspace C) excited space D) extra space
To determine the mass of a car, a student (with a friend at the wheel) pushes the car holding a bathroom scale between himself and the car and carefully maintains a constant reading of 400 N on the scale while the car accelerates on level ground
At the conclusion of the experiment his friend reports that the car accelerated from rest to 14.0 km/hr in 12.0 s. What was the mass of the car? A) 343 kg B) 1230 kg C) 2460 kg D) 3360 kg E) 3430 kg
Which two resistors are in parallel with each other?
a.
R and R4
b.
R2 and R3
c.
R2 and R4
d.
R and R1
A 25 cm focal length mirror has a 3.0 cm tall object placed 20 cm in front of it. Where is the image, and is it real or virtual?
A. 5.0 cm behind the mirror, virtual B. 11 cm in front of the mirror, real C. 100 cm in front of the mirror, real D. 100 cm behind the mirror, virtual E. 45 cm behind the mirror, virtual