Q 20 A body when projected vertically up, covers a total distance D during its time of flight - Science - Electricity

Question

Q 20 A body when projected vertically up, covers a total distance D
during its time of flight If there were no gravity, the distance
covered by it during the same time is equal to
(A) 0
(B) D
(C) 2 D
(D) 4 D

Pintu B. · Accepted Answer

Dear Student ,
The displacement of the body during time 't' as it attains the point of projections=0vot-12gt2=0t=2vogDuring the same time 't', the body moves in absence of gravity through a distance D'=v
tbecause in absence of gravity, g=0D'=vo2vog=2vo2g  
 (1)In presence of gravity, the total distance covered,D=2H=2vo22g=vo2g  
 (2)Dividing equation (1) by (2), we get,D'=2D
Regards

Q.20. A body when projected vertically up, covers a total distance D during its time of flight. If there were no gravity, the distance covered by it during the same time is equal to (A) 0 (B) D (C) 2 D (D) 4 D

Q.20. A body when projected vertically up, covers a total distance D during its time of flight. If there were no gravity, the distance covered by it during the same time is equal to
(A) 0
(B) D
(C) 2 D
(D) 4 D