The minimum escape velocity of rocket to be launched in to space is 11 km/sec. Escape velocity is defined as the speed at which an object travels to break free from either the planet?s or moon?s gravity and leave without any further propulsion.
4.Which set of conditions represents the easiest way to liquify a gas?
While catching a ball, a player pulls down his hands to lower the Momentum.
9.A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle?
Its velocity goes on increasing for sometime and then becomes constant
Explanation:
If small raindrop falls through air, Its velocity goes on increasing for sometime and then becomes constant.
13.A person standing at the middle point of a wooden ladder which starts slipping between a vertical wall and the floor of a room, while continuing to remain in a vertical plane. The path traced by a person standing at the middle point of the slipping ladder is
A person standing at the middle point of a wooden ladder which starts slipping between a vertical wall and the floor of a room, while continuing to remain in a vertical plane. The path traced by a person standing at the middle point of the slipping ladder is a circular path.
14.A ball is thrown upwards and it returns to ground describing a parabolic path. Which of the following remains constant?
If the distance “S” covered by a moving car in rectilinear motion with a speed “V” in time “T” is given by S = VT, then the car undergoes A uniform velocity.