Hertz (Hz), the unit of frequency, measures the number of cycles per second. It’s named after Heinrich Hertz, the physicist who first proved the existence of electromagnetic waves. In 1888, his groundbreaking experiments paved the way for the development of radio, television, and other communication technologies. Fascinatingly, the concept of frequency extends well beyond sound — it’s also crucial in physics, describing phenomena such as light waves and even the rotation of electron orbitals.
In our everyday lives, Hertz is everywhere. When you listen to music, the pitch you hear is influenced by the frequency in Hertz, with middle C on a piano vibrating at about 261.6 Hz. Even your household electrical system operates at frequencies of 50 or 60 Hz, depending on your region. This widespread influence underscores how integral Hertz is to both technology and daily experiences.
The unit “degree per second” offers a fascinating glimpse into the world of rotational motion. It’s primarily used to measure angular speed, telling us how quickly an object rotates around an axis. From the spinning blades of a helicopter to the rotation of planets, this unit plays a crucial role in understanding dynamic systems in both engineering and astrophysics.
Interestingly, when dealing with robots or automotive steering systems, precise turns and rotations are often measured in degrees per second to ensure accuracy and safety. Beyond earthbound applications, spacecraft rely on this measurement for controlled maneuvers, crucial for navigation and maintaining orientation in the vast expanse of space. The humble degree per second significantly impacts a wide array of technologies that shape our daily experiences.
Hertz | Degrees per second |
---|---|
0
Hz
|
0
deg/s
|
10
Hz
|
3600
deg/s
|
20
Hz
|
7200
deg/s
|
30
Hz
|
10800
deg/s
|
40
Hz
|
14400
deg/s
|
50
Hz
|
18000
deg/s
|
60
Hz
|
21600
deg/s
|
70
Hz
|
25200
deg/s
|
80
Hz
|
28800
deg/s
|
90
Hz
|
32400
deg/s
|
100
Hz
|
36000
deg/s
|
110
Hz
|
39600
deg/s
|
120
Hz
|
43200
deg/s
|
130
Hz
|
46800
deg/s
|
140
Hz
|
50400
deg/s
|
150
Hz
|
54000
deg/s
|
160
Hz
|
57600
deg/s
|
170
Hz
|
61200
deg/s
|
180
Hz
|
64800
deg/s
|
190
Hz
|
68400
deg/s
|
200
Hz
|
72000
deg/s
|
210
Hz
|
75600
deg/s
|
220
Hz
|
79200
deg/s
|
230
Hz
|
82800
deg/s
|
240
Hz
|
86400
deg/s
|
250
Hz
|
90000
deg/s
|
260
Hz
|
93600
deg/s
|
270
Hz
|
97200
deg/s
|
280
Hz
|
100800
deg/s
|
290
Hz
|
104400
deg/s
|
300
Hz
|
108000
deg/s
|
310
Hz
|
111600
deg/s
|
320
Hz
|
115200
deg/s
|
330
Hz
|
118800
deg/s
|
340
Hz
|
122400
deg/s
|
350
Hz
|
126000
deg/s
|
360
Hz
|
129600
deg/s
|
370
Hz
|
133200
deg/s
|
380
Hz
|
136800
deg/s
|
390
Hz
|
140400
deg/s
|
400
Hz
|
144000
deg/s
|
410
Hz
|
147600
deg/s
|
420
Hz
|
151200
deg/s
|
430
Hz
|
154800
deg/s
|
440
Hz
|
158400
deg/s
|
450
Hz
|
162000
deg/s
|
460
Hz
|
165600
deg/s
|
470
Hz
|
169200
deg/s
|
480
Hz
|
172800
deg/s
|
490
Hz
|
176400
deg/s
|
500
Hz
|
180000
deg/s
|
510
Hz
|
183600
deg/s
|
520
Hz
|
187200
deg/s
|
530
Hz
|
190800
deg/s
|
540
Hz
|
194400
deg/s
|
550
Hz
|
198000
deg/s
|
560
Hz
|
201600
deg/s
|
570
Hz
|
205200
deg/s
|
580
Hz
|
208800
deg/s
|
590
Hz
|
212400
deg/s
|
600
Hz
|
216000
deg/s
|
610
Hz
|
219600
deg/s
|
620
Hz
|
223200
deg/s
|
630
Hz
|
226800
deg/s
|
640
Hz
|
230400
deg/s
|
650
Hz
|
234000
deg/s
|
660
Hz
|
237600
deg/s
|
670
Hz
|
241200
deg/s
|
680
Hz
|
244800
deg/s
|
690
Hz
|
248400
deg/s
|
700
Hz
|
252000
deg/s
|
710
Hz
|
255600
deg/s
|
720
Hz
|
259200
deg/s
|
730
Hz
|
262800
deg/s
|
740
Hz
|
266400
deg/s
|
750
Hz
|
270000
deg/s
|
760
Hz
|
273600
deg/s
|
770
Hz
|
277200
deg/s
|
780
Hz
|
280800
deg/s
|
790
Hz
|
284400
deg/s
|
800
Hz
|
288000
deg/s
|
810
Hz
|
291600
deg/s
|
820
Hz
|
295200
deg/s
|
830
Hz
|
298800
deg/s
|
840
Hz
|
302400
deg/s
|
850
Hz
|
306000
deg/s
|
860
Hz
|
309600
deg/s
|
870
Hz
|
313200
deg/s
|
880
Hz
|
316800
deg/s
|
890
Hz
|
320400
deg/s
|
900
Hz
|
324000
deg/s
|
910
Hz
|
327600
deg/s
|
920
Hz
|
331200
deg/s
|
930
Hz
|
334800
deg/s
|
940
Hz
|
338400
deg/s
|
950
Hz
|
342000
deg/s
|
960
Hz
|
345600
deg/s
|
970
Hz
|
349200
deg/s
|
980
Hz
|
352800
deg/s
|
990
Hz
|
356400
deg/s
|
1000
Hz
|
360000
deg/s
|
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