A stone is dropped from the tip of a tower with zero initial velocity. It reaches the ground in 4 seconds. Then the height of the tower is (g= 9.8 m/s |
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(a) |
176.4 m |
(b) |
78.4 m |
(c) |
39.2 m |
(d) |
384.1 m |

A stone is dropped from the tip of a tower with zero initial velocity. It reaches the ground in 4 seconds. Then the height of the tower is (g= 9.8 m/s |
|||||||

(a) |
176.4 m |
(b) |
78.4 m |
(c) |
39.2 m |
(d) |
384.1 m |

127