Question: A ball of mass 𝑚 is thrown vertically upwards. Another ball of mass 2𝑚 is thrown at an angle 𝜃 with the vertical. Both of them stay in air for same period of time. The heights attained by the two balls are in the ratio of
(A) 2: 1
(B) 1: cos 𝜃
(C) 1: 1
(D) cos 𝜃 : 1
Answer: option (C)
Solution:
