A motorcycle stunt rider moving horizontally takes off from a point 5m above the ground with speed 30ms-1.

how far away will the motorcycle land?

in the horizontal direction
h=5m u=0 a=g=9.8
h=ut+1/2at^2
10=gt^2
10/9.8=t^2
t=1
in vertical direction
u=30m/s , a=0
s=ut
=30*1=30m

please email me jhakruti@gmail.com...
1. The amount of charge flow when a conducting sphere of radius R and carrying charge Q is joined to an uncharged conducting sphere of radius 2 R is
A. Q/4
B. Q/3
C. Q/2
D. 2Q/3
Answer is D. 2Q/3...how...
2. The electric field in a region of space is given by E=5i + 2j N/C. The electric flux through an area 2 m^2 lying in YZ plane in si unit is
A. 10
B. 20
C. 5
D. 15