2 teel ball 1 is released from rest at the same time steel ball 2 is given a hor

Question

2 teel ball 1 is released from rest at the same time steel ball 2 is given a horizontal kick. The dots represent the locations of the two balls at t 0,1,2,3 and 4 s. The balls continue to fall ter t 4 s. Evaluate each of the following statements al to The magnitude of the horizontal component of the velocity of ball 2 at point A is qualto The magnitude of the horizontal component of the velocity of ball 1 at point G is less than The magnitude of the vertical component of the velocity of ball 2 at point 8 is the magnitude of the vertical component of the velocity of ball 1 at point F greater than The magnitude of the vertical component of the velocity of ball 1 at point D is the magnitude of equal to BThe speed of ball 1 at point Gis- the speed of ball 2 at point H. the magnitude of the horizontal component of the velocity of ball 2 at point B. the magnitude of the horizontal component of the velocity of baill 2 at point H the vertical component of the velocity of ball 2 at point B. . 157-9945 €) Tries 2/30 2

Explanation / Answer

1) equal to

Horizontal component of velocity is constant as there is no acceleration in the horizontal direction.

2) less than

Horizontal component of ball1 is zero.

3) greater than

V2,B = gt = (9.8)(3) = 29.4;

V1,F = gt = (9.8)(2) = 19.6

Thus, V2,B > V1,F

4) equal to

Using the above formula, it comes out to be same.

5) less than

Ball 1 will have lesser speed since it has only vertical component of velocity while ball2 has both vertical and horizontal components.

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