Numerical 6.3 me Aap Aik Step Miss Kar Gaye Hain Jo Ke 480000 ko 1/2 se Multiply Aur Divide Karwa Ke 240000 Aana Tha Aur Aap Direct La Aaye Hain So HO Sake Tou Iski Correction Zaroor Karen Take Baaqi Students Ko Problem Na Ho Thanks
But we cannot prove it num 4 how can we say that it's equal to p.e it would better if we use 2gh= vf²- vi² and find hieght first and then find p.e because everyone hasn't learnt or read the chapter by the way