Home
Earn $100 Online Daily. Work From Home. Click Here

What is the correct answer?

4

A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is

A. 16 m/sec

B. 18 m/sec

C. 20 m/sec

D. 22 m/sec

Share this question with your friends
Correct Answer :

C. 20 m/sec


Related Questions

A square hole is punched out of a circular lamina, the diagonal of the… The force which produces an acceleration of 1 m/sec2 in a mass of one… Two circular discs of same weight and thickness are made from metals having… M.I. of a thin ring (external diameter D, internal diameter d) about an… The ratio of the moment of inertia of a rectangle about its centroidal… The beam shown in below figure is supported by a hinge at A and a roller… If v and ω are linear and angular velocities, the centripetal acceleration… In SI units, the units of force and energy are respectively If the velocity of projection is 4 m/sec and the angle of projection is… A ball is dropped from a height of 2.25 m on a smooth floor and rises… The numbers of funicular polygons which can be drawn to pass through two… The resultant of two forces P and Q is R. If Q is doubled, the new resultant… The reaction RB of the roller support B of the beam shown in below figure… If two forces are in equilibrium, then the forces must (i) Be equal in… A satellite is said to move in a synchronous orbit if it moves at an altitude… Rate of change of angular momentum is equal to Which of the following is a scalar quantity? A sphere is resting on two planes BA and BC which are inclined at 45°… The diagram showing the point of application and line of action of forces… The ratio of the reactions RA and RB of a simply supported beam shown… The length of a Second's pendulum, is The ends of a string weighing w/metre are attached to two points at the… One half of a vibration of a body, is called It is observed that in a certain sinusoidal oscillation, the amplitude… A geo-stationary satellite is one which orbits the earth with a velocity… The condition of equilibrium for any system of forces in a plane is To double the period of oscillation of a simple pendulum The horizontal reaction at the support A of the structure shown in below… The reaction at the support B of the beam shown in below figure is The intrinsic equation of catenary is

Also checkout

Hydrogen- Water and Hydrogen Peroxide MCQ MS Office MCQ Rearrangement Set 5 MCQ Sitting Arrangement MCQ Co-Ordination Compound MCQ Networking MCQ Electrostatics MCQ Machine Input MCQ Concrete Technology and Design MCQ General Chemistry MCQ PageMaker MCQ Nuclear Chemistry MCQ