00:01
Hi, let's see from the question we have n equal to 690 l equal to 25 centimeter are equal to 3 .6 centimeter.
00:12
Here, inductance of solenoid, that is alpha equal to mu not n square a by l.
00:21
Let's substitute the value here.
00:23
So we have 4 into pi into 10 to the power minus 7 into 6.
00:30
90 square into pi into 3 .6 square into 10 to the power minus 4 divided by 0 .25.
00:44
Once we simplified, we'll get the answer is 9 .74 m h.
00:51
And here, m equal to 2 kg and k equal to 490 newton per meter and omega equal to 15.
01:02
65 radian per second.
01:05
So let equation of motion be x of t equal to a sine omega t plus phi not, that is equal to a sine 15 .65 t plus phi not and v of t equal to d ,000 .5 .5 t plus x by d t that is 15 .65 a cost 15 .65 t plus 5 .10 .10 .19 .192...