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Sir,if a body is thrown vertically upward with some speed then why we consider its initial velocity as zero

Sir,if a body is thrown vertically upward with some speed then why we consider its initial velocity as zero
 

Grade:11

6 Answers

Khimraj
3007 Points
5 years ago
As given in statement bo
Khimraj
3007 Points
5 years ago
As given statement word thrown is used so we can not neglect initial velocity.If word like dropped and released come sthen we use zero initial velocity.Hope it clears.
Tony
108 Points
5 years ago
When we throw something upwards., we need some force do work agsinst gravity. So when anything  is thrown  upwards its velocity can not be zero. 
 
Milan rai
14 Points
5 years ago
Easy ,the speed from which u throw is not initial velocity,since body was in rest in initial position it is true to say it's initial velocity zero ,isn't it??
Sunitha
17 Points
5 years ago
In case of freely falling body initial velocity is zero but not in vertically projected body....we have to consider initial velocity of vertically projected body...hope it's clear
Kunika Sharma
13 Points
5 years ago
If a body is thrown vertically upward, its initial velocity is never zero.  That is the final velocity which we take zero in this case.  Because after reaching a certain height the body is momentarily at rest and then comes back downwards.

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