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Grade: 11
        
A particle is projected in the X-Y plane. 2 seconds after projection the velocity of the particle makes an angle 45 degree with the X-axis. 4 seconds after projection, it moves horizontally. Find the velocity of projection. (Use g= 10m/s^2)
2 years ago

Answers : (2)

mohit vashishtha
144 Points
							
20root2 i.e 20*1.414=28.28
 
2 years ago
mohit vashishtha
144 Points
							
it is clear from que that time period is 2*4=8 sec 
2 years ago
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