A clock has Hour and Minute hands of the same length and NO NUMERALS on its face.
At what time between 6 O'clock and 7 O'clock will the time on the clock appear to be the same when the reflection of the clock is read on a mirror?
Source: Lewis Carroll
syms m
for h=0:11
% h*30+m/2=360-m*6
s=solve(h*30+m/2==360-m*6);
fprintf('%2d:%011.8f\n',h,s);
end
finds
>> clockTime
0:55.38461538
1:50.76923077
2:46.15384615
3:41.53846154
4:36.92307692
5:32.30769231
6:27.69230769
7:23.07692308
8:18.46153846
9:13.84615385
10:09.23076923
11:04.61538462
|
Posted by Charlie
on 2023-09-10 22:08:12 |