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Shivam Bhagat Grade: 9
```        a boy throws a ball upwards with an angle of 45 degrees of velocity 100 m/s that makes a parabola in the sky. what will be the Time taken by the ball, total distance and displacement?????
```
7 years ago

510 Points
```										T = 2Usin@/g = 2*100/10sqrt2
=10sqrt2                    (total time)
displacement = range of projectile = u2sin2@/g=u2sin90/g
=1000m
```
7 years ago
Fawz Naim
37 Points
```										the initial velocity of the ball is 100m/s and angle of projection is 45 degrees
therefore time taken by the ball to come to the ground is T=u*sin theta/2g
the total distance covered by the ball and the displacement of the ball is the same thing
the formula for the total distance covered by the ball is=horizontal speed*time taken by the ball
horizontal speed of the ball is u*cos theta
put the values and get the answer
```
7 years ago
Aniket Patra
48 Points
```										The time taken by the ball is 2usin45/g.The displacement is the range of the projectile which comes out to be 1km.
```
7 years ago
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