Why sir has not taken initial velocity as100 m/s .why 80 m/s is taken
sir kya frame of referrence rotate kar dene se vector me koi change nahi aata hain ,agar aisa hain toh plss explain.
How sir knew that angle is 30° with horizontal
Please explain this step
Here it is said that drift, D=ud/v .... But in the prblm D is calculated just by multiplying u and d