Chapter 3 – Motion in a Straight Line
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A stone is thrown vertically upwards. When stone is at a height half of its maximum height, its speed is 10 m/s; then the maximum height attained by the stone is (g= 10 m/s^2)
23
Aug
A stone is thrown vertically upwards. When stone is at a height half of its maximum height, its speed is 10 m/s; then the maximum height attained by the stone is (g= 10 m/s^2) A stone is thrown vertically upwards. When stone is at a height half of its maximum height its speed is 10 [...]
If a ball is thrown vertically upwards with speed u, the distance covered during the last t second of its ascent is
23
Aug
If a ball is thrown vertically upwards with speed u, the distance covered during the last t second of its ascent is If a ball is thrown vertically upwards with speed u the distance covered during the last t second of its ascent is August 23, 2020 Category: Chapter 2 - Vectors , Chapter 3 [...]
A man throws ball with the same speed vertically upwards one after the other at an interval of 2 seconds. What should be the speed of the throw so that more than two balls are in the sky at any time ? (Given g=9.8m/s2)
23
Aug
A man throws ball with the same speed vertically upwards one after the other at an interval of 2 seconds. What should be the speed of the throw so that more than two balls are in the sky at any time ? (Given g=9.8m/s2) the resultant of A x 0 will be equal to August [...]
A train of 150 m length is going towards north direction at a speed of 10 m/s. A parrot flies a speed of 5 m/s towards south direction parallel to the railway track. The time taken by the parrot to cross the train is
23
Aug
A train of 150 m length is going towards north direction at a speed of 10 m/s. A parrot flies a speed of 5 m/s towards south direction parallel to the railway track. The time taken by the parrot to cross the train is the resultant of A x 0 will be equal to August [...]