JEE Main Physics question

At , a stone of mass 10 gm is thrown up from ground level with speed 10 m/s. After 1 s, a second stone of the same mass is thrown from the same position with speed 20 m/s. What is the position of the first stone from the ground level at that moment? (Take g = 10 m/s)

• (A)10 m
• (B)1 m
• (C)2 m
• (D)5 mCorrect