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Grade: 11

                        

a projectile is thrown with a velocity of 20 m/s at an angle of 60 degree with the horizontal. after how much time the velocity vector will make an angle of 45 degree with the horizontal

2 years ago

Answers : (1)

Saurav
224 Points
							
In hirihorizontal directiion the velocity remains constant v/2 now for angle to be 45 ° the vertical velocity should also be v/2 now apply v=u -gt in  vertical direction
And that's the answer
2 years ago
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