particle 1

A boy standing on a long railroad car throws a ball straight upwards. The car is moving on the horizontal road with an acceleration of 1 m/s^2 and the projection velocity in the vertical direction in 9.8 m/s. All the particles thrown with same initial velocity would strike the ground. a. with same speed b. [...]

A body is thrown with the velocity v0 at an angle of theta to the horizon. Determine v0 in m/s if the maximum height attained by the body is 5 m and at the highest point of its trajectory the radius of curvature is r = 3m All the particles thrown with same initial velocity [...]

A particle is projected from the ground at an angle 30 with the horizontal with an initial speed 20 m/s. After how much time will the velocity vector of projectile be perpendicular to the intial velocity? All the particles thrown with same initial velocity would strike the ground. a. with same speed b. simultaneously c. [...]

A particles moves in a circle of radius 20 cm. Its linear speed is given by v = 2t where t is in seconds and v in m/s. Then a. The radial acceleration at t = 2 s is 80 m/s^2. b. Tangential acceleration at t = 2 s is All the particles thrown with [...]

A body is projected with velocity u at an angle of projection theta with the horizontal. The direction of velocity of the body makes angle 30 with the horizontal at t = 2 s and then after 1 s it reaches the maximum height. All the particles thrown with same initial velocity would strike the [...]

A car moves on a circular road describing equal angles about the centre in equal intervals of time. Which of the following statements about the velocity of car are not true? a. Velocity is constant. b. Magnitude of velocity is constant All the particles thrown with same initial velocity would strike the ground. a. with [...]

A heavy particle is projected with a velocity at an angle with the horizontal into a uniform gravitational field. The slope of the trajectory of the particle varies not according to which of the following curves? All the particles thrown with same initial velocity would strike the ground. a. with same speed b. simultaneously c. [...]

A particle is dropped from a tower in a uniform gravitational field at t = 0. The particle is blown over by a horizontal wind with constant velocity. The slope (m) of the trajectory of the particle with horizontal All the particles thrown with same initial velocity would strike the ground. a. with same speed [...]

All the particles thrown with same initial velocity would strike the ground. a. with same speed b. simultaneously c. time would be least for the particle thrown with velocity v downward i.e., particle 1 All the particles thrown with same initial velocity would strike the ground. a. with same speed b. simultaneously c. time would [...]