Grade 12th pass10 grade science
From the top of a multi- storeyed building, 39.2m tall, a boy projects a stone vertically upwards with an initial velocity of 9.8ms−1 such that it finally drops to the ground. (i) When will the stone reach the ground? (ii) When will it pass through the point of projection? (iii) What will it pass through the point of projection? (iii) What will be its velocity before striking the ground? Take g=9.8ms−2.
From the top of a multi- storeyed building, 39.2m tall, a boy projects a stone vertically upwards with an initial velocity of 9.8ms−1 such that it finally drops to the ground. (i) When will the stone reach the ground? (ii) When will it pass through the point of projection? (iii) What will it pass through the point of projection? (iii) What will be its velocity before striking the ground? Take g=9.8ms−2.
