Steel ball 1 is released from rest at the same time steel ball 2 is given a hori
ID: 1407153 • Letter: S
Question
Steel 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 after t=4 s. Evaluate each of the following statements.
greater than equal to less than The magnitude of the horizontal component of the velocity of ball 1 at point C is _______ the magnitude of the horizontal component of the velocity of ball 2 at point F.
greater than equal to less than The speed of ball 2 at point F is _______ the speed of ball 1 at point C.
greater than equal to less than The magnitude of the horizontal component of the velocity of ball 2 at point G is _______ the magnitude of the horizontal component of the velocity of ball 2 at point B.
greater than equal to less than The magnitude of the vertical component of the velocity of ball 1 at point C is _______ the magnitude of the vertical component of the velocity of ball 2 at point F.
greater than equal to less than The magnitude of the vertical component of the velocity of ball 2 at point B is _______ the magnitude of the vertical component of the velocity of ball 1 at point D.
Explanation / Answer
The magnitude of the horizontal component of the velocity of ball 1 at point C is less than the magnitude of the horizontal component of the velocity of ball 2 at point F. because it has no movement in horizontal direction which means zero in x direction
The speed of ball 2 at point F is Greater than the speed of ball 1 at point C.
Both steel balls are accelerated equality in vertical direction but the ball 2 have a horizontal velocity (which ball A doesn’t have). Hence the speed of Ball B is the vector sum of both components
The magnitude of the horizontal component of the velocity of ball 2 at point G is equal to the magnitude of the horizontal component of the velocity of ball 2 at point B.
it does not have any acceleration during the projectile
The magnitude of the vertical component of the velocity of ball 1 at point C is less than the magnitude of the vertical component of the velocity of ball 2 at point F.
As seen from the picture, the poins c and F are not in the same level. The point C is above point F. Hence the the ball at F gets accelerated more than ball at c, so ball at C will be slower than the ball t F
The magnitude of the vertical component of the velocity of ball 2 at point B is GREATER THAN the magnitude of the vertical component of the velocity of ball 1 at point D.
Ball at B get accelerated more than ball at D
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