Question

7. A body is projected from the ground with a velocity = (31 +10j|ms!. The maximum height attained and the range of the body respectively are (given g=10ms?) (WB JEE 2013] (a) 5 m and 6 m (b) 3 m and 10 m (c) 6 m and 5 m (d) 3 m and 5 m​

Answer 1

Answer:

Explanation:

Given   v =(3  i ^ +10  j ^ )ms  −1

vx =3 ; v y ​=10

Maximum height attained H=2×10 /10×10 =5 m

Range =  3×2×10/10  =6 m

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