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I want answer with full solution

I want answer with full solution

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Grade:11

2 Answers

Nicho priyatham
625 Points
8 years ago
2)
avg velocity=(displacement)/(time taken)
                  =(range)/(time of flight)
                  =ucos(alpha)
 
PLZ approve if correct n use full in case of any doubts put it in ans box....
 
Nicho priyatham
625 Points
8 years ago
alter(conceptual guss): the component of velocity ucos(alpha) remains same through out d journey so it remains unchanged and vertical compponent is upward half of d journy n downward remaning half of journey so it(usin(alpha)) cancels out and ucos(alpha) is left......
 

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