Question

1.
A particle projected from the level ground just
clears in its ascent a wall 30 m high and
120 V3 away measured horizontally. The time
since projection to clear the wall is two
second. It will strike the ground in the same
horizontal plane from the wall on the other
side at a distance of (in metres)
1)150 13 2)180 13 3) 120 (34)210 /3​

Answer 1

Answer:

1.

A particle projected from the level ground just

clears in its ascent a wall 30 m high and

120 V3 away measured horizontally. The time

since projection to clear the wall is two

second. It will strike the ground in the same

horizontal plane from the wall on the other

side at a distance of (in metres)

1)150 13 2)180 13 3) 120 (34)210 /3