Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
E-Mail*
You must login to ask question.
Username or email*
Password*
(a) 0 m
(b) v= v₁+ v₂/2
(b) 50 m/s
(b) 3
(a) 45°
A projectile rises to a height of 10 m and then falls at a distance of 30 m away from the projection. Its vertical displacement is
(a) 0 m
(a) 0 m
See lessA boy runs along a straight path for the first half distance with a velocity V₁ and second half with velocity V₂. The mean velocity V is given by
(b) v= v₁+ v₂/2
(b) v= v₁+ v₂/2
See lessA body projected at an angle with the horizontal has a range 300 m. I the time of flight is 6s, then the horizontal component of velocity is
(b) 50 m/s
(b) 50 m/s
See lessA boat which has speed of 5 km/h in still water crosses a river of width 1 km along the shortest possible path in 15 minutes. The velocity of rive water in km/hr is
(b) 3
(b) 3
See lessIf the scalar and vector products of two vector A and B are equal in magnitude, then the angle between the two vectors is
(a) 45°
(a) 45°
See less