A golfer starts with the club over her head and swings it to reach maximum speed as it contacts the ball. Halfway through her sw
ing, when the golf club is parallel to the ground, does the acceleration vector of the club head point straight down, parallel to the ground, approximately toward the golfer's shoulders, approximately toward the golfer's feet, or toward a point above the golfer's head?
A. Parallel to the ground, approximately toward the golfer's shouldersB. Straight downC. Approximately toward the golfer's feetD. Toward a point above the golfer's head
A. Parallel to the ground, approximately toward the golfer's shouldersB. Straight downC. Approximately toward the golfer's feetD. Toward a point above the golfer's head
1 answer:
Answer:
A. Parallel to the ground, approximately toward the golfer's shoulders
Explanation:
Elliptical path represent the motion of the golf club.
From the figure we have the motion of the club. So the acceleration provided will be centripetal acceleration so halfway through the swing the direction of acceleration will be towards the golfer's shoulder.
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Answer:
-0.912 m/s
Explanation:
When the package is thrown out, momentum is conserved. The total momentum after is the same as the total momentum before, which is 0, since the boat was initially at rest.
where are the mass of the child, the boat and the package, respectively.
are the velocity of the package and the boat after throwing.