KinematicsHard
Question
A particle moves in straight line in same direction for 20 seconds with velocity 3 m/s and then moves with velocity 4 m /s for another 20 sec and finally moves with velocity 5 m/s for next 20 seconds. what is the average velocity of the particle ?
Options
A.3 m / s
B.4 m / s
C.5 m / s
D.Zero
= 4 m/sMore Kinematics Questions
A, B & C three objects each with constant velocity. A’s speed is 10 m/s in a direction . The vorticity of B relative to ...A rocket with a lift-off mass 3.5 × 104 kg is blasted upwards with an initial acceleration of 10 m/s2. Then the ini...A person drops from a building of height 20 m. same instant the front end of a tuck passes below the building moving wit...The second′s hand of a watch has length 6 cm. Speed of end point and magnitude of difference of velocities at two ...A river is flowing west east at a speed of 5 meters per minute. a man standing on the south bank of the river , capable ...