Engineering - Civil Enginnering
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37. | A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in |
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38. | A projectile has maximum range of 40 m on a horizontal plane. If angle of projection is a and the time of flight is 1 second, then sin a must be about |
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39. | If the direction of projection bisects the angle between the vertical and the inclined plane, then the range of projectile on the inclined plane is |
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40. | If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are |
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41. | The angle of projection at which the horizontal range and maximum height of a projectile are equal to |
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42. | A stone is thrown up a slope of inclination 60° to the horizontal. At what angle to the slope must the stone be thrown so as to land as far as possible from the point of projection ? |
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