9th Class
Science
Gravitation and Floatation
Question Bank
Gravitation IIT JEE Subjective Problems
question_answer
A pebble is thrown vertically upwards from a bridge with an initial velocity of 4.9 m/s. It strikes the water after 2s. Height of the bridge is (a) 19.6 m (b) 14.7 m (c) 9.8 m (d) 4.9 m