Determine the kinetic energy of the ball

Reference no: EM13244378

(1) A 47.0 g golf ball is driven from the tee with an initial speed of 60.0 m/s and rises to a height of 25.2 m.

(a) Neglect air resistance and determine the kinetic energy of the ball at its highest point.

(b) What is its speed when it is 7.0 m below its highest point?

(2) A projectile of mass 0.800 kg is shot straight up with an initial speed of 27.0 m/s.

(a) How high would it go if there were no air friction?

(b) If the projectile rises to a maximum height of only 21.2 m, determine the magnitude of the average force due to air resistance.

Reference no: EM13244378

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