In A Classroom A Wall Clock Has A Minute Hand
A classroom has an old clock on the wall whose minute hand broke off.
In a classroom a wall clock has a minute hand. 4 5 out of 5 stars based on 2 reviews 2 ratings current price 7 65 7. D is the distance between the outer tips of the hands. Hour hand has a 4 25mm round hole mounting bushing. A if you can read the hour hand to the nearest 15 minutes how many bits of information does the clock convey about the time.
How long is the minu. 65 list list price 17 60 17. The crayon hands act as a visual prompt for the hour and minute helping any young person to easily learn the time. A clock has a minute hand 16 cm long and an hour hand 11 cm long.
B if you know whether it is before or after noon how many additional bits of information do you know about the time. The mainspring is attached to the inside of the barrel and the shaft. The clock may continue to run but it certainly can no longer tell you the time and if you own a. A spring powered clock has a ribbon either metal wire or plastic that is coiled into a tight spiral called the mainspring.
If you can read the hour hand to the nearest 15 minutes how many bits referring to computer binary digits of information does the clock convey about the time. The only criticism. Dangling hands on the face of a clock don t do anyone any good. This quality wall clock has been designed by unity as an aid to help children learn the time.
No matter how long it is it will travel π 3 radians in ten minutes. The angle between the clock s hands at 2 25 is 77 5 o. Since the question includes the lengths of the hands i will assume that we re trying to find the relative velocity between the tips of the hands. Your question does not make sense.
A weight driven clock has a series of hanging metal weights that pull on a chain. First let s look at the magnitude of the velocity of each hand. Short hand s 11cm long hand l 16cm d. 4 minute hand as measured from the center of the 1 5mm square mounting hole to the tip.
A wall clock has a minute hand that moves a distance of 5 pi radians from 12 10 to 12 20. How to tighten hands on a clock. I am using radians for angles the. A classroom has an old clock on the wall whose minute hand is broke off.
Perfect for my classroom wall supports the children when learning to tell the time with clear graphics and font.