00:01
Hello and welcome to this video solution of numerates.
00:03
So here we are given mass of the block as 12 kgues, which slides four meter down this frictionless ramp as shown in this figure, then collide with this spring, whose spring constant is 260 newton per meter.
00:16
Now first of all, you have to calculate the maximum compression of this spring.
00:20
So here we can directly conserve the potential energy with the spring energy due to compression.
00:28
So potential energy is equal to let's say this is the height h, right? so this, okay, and this angle is also given as 30 degrees, right? so here we have sine 30 that is equal to this height by 4, equal to h by 4, right? so this h is equal to 2 meters, right? now we have the potential energy at the top that will be equal to stored as the spring potential.
01:00
So ps we can say.
01:02
The potential energy is mgh that will be equal to half k x square.
01:08
And x is a compression or the maximum compression we can say.
01:11
So this mass is 12 times 9 .8 times the height we have seen two meters...