question_answer

A particle is projected from a tower as shown in figure, then the distance from the foot of the tower where it will strike the ground will be

A) 4000/3 m       

B)        2000/m

C) 1000/3 m         

D)        2500/3 m

Correct Answer: A

Solution :

  [a] \[150=100\,t+\frac{1}{2}10\,{{t}^{2}}\text{ ; t}\,\text{=10 sec}\] \[x=\frac{400}{3}t=\frac{4000}{3}\text{m}\]