MCQ
The maximum height reached by the stone in the above question is:
Unit-2 Kinematics
A
78.4 m
B
39.2 m
C
156.8 m
D
19.6 m
Explanation
h = (1/2)gt^2 = 0.5 x 9.8 x 16 = 78.4 m.
Related MCQs
A ball thrown vertically upward with a speed of 9.8 m/s returns to the thrower. The total time of flight is (g = 9.8 m/s^2):
Unit-2 Kinematics
View
The height of the ball in the above question after 2 s is:
Unit-2 Kinematics
View
The SI unit of time is the:
Unit-2 Kinematics
View
A train increases its speed from 20 m/s to 50 m/s in 10 s. Its acceleration is:
Unit-2 Kinematics
View
A car covers 30 km at 60 km/h and the next 30 km at 30 km/h. Its average speed for the whole trip is:
Unit-2 Kinematics
View
The maximum height reached by the above ball is:
Unit-2 Kinematics
View