Question

The phrase a good deed is related to

Answer 1

Explanation:

______________________

yr yeh point =_=........smjha

Answer 2

Dekho isme poora khel jo hai wo differentiation ka hi hai..

Agar koi bhi displacement ki equation di jaati hai jaise ki eq. 26 hai usko ek baar time ke relation me diff. krne pr hame velocity milti hai aur dusri baar krne pr hame acc. milta hai...

bcoz you know the formula of velocity and acceleration.

to jo eq. 26 hai usme teen vectors hain jaise ki smjh aa rha hai.

Pehla hai PS vector and second hai SS' jinka resultant vector hoga PS'( dotted)

whi eq. di hui hai 26 me..

to isko simply Differentiate kiya toh hame ye velocity ke form me mila eq. 27 me

usi ko dusri baar differentiate kiya time ke saath to hame acceleration mila hai eq. 29 me

as we know Velocity = rate of change of displacement

and

acceleration = rate of change of velocity...

itna smjh paya hun aur aapne 28 send nii kiya hai..baaki seedhi baat hai ki differentiation seekh lo.....xD