The spring of a toy gun has a force constant of k = 533 N/m and...

The spring of a toy gun has a force constant of k = 533 N/m and negligible mass. The spring is compressed the length of the gun barrel, 7.25 cm, and a 0.168-g ball is placed against the compressed spring. A constant frictional force of 5.45-N acts on the ball as it travels through the barrel. The ball leaves the barrel at the moment that it loses contact with the spring. The toy gun is ‘fired’ at a height of 1.33-m above the ground. Ignore air resistance.

Show how to determine the speed of the ball as it leaves the barrel when the toy gun is oriented horizontally.
Show how to determine the distance that the ball travels horizontally, and its speed of impact.
Show how to determine the speed of the ball as it leaves the barrel when the toy gun is oriented vertically.
Show how to determine the maximum height attained by the ball, and the speed of its impact when it lands on the ground.

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