Apollo 14 astronaut Alan Shepard famously took two golfshots on the Moon where it’s been estimated that an expertlyhit shot could travel for 70.0 s through the Moon’s reducedgravity, airless environment to a maximum range of 4.00 km(about 2.5 miles). Assuming such an expert shot has a launchangle of 45.0°, determine the golf ball’s (a) kinetic energy asit leaves the club, and (b) maximum altitude in km above thelunar surface. Take the mass of a golf ball to be 0.045 0 kg andthe Moon’s gravitational acceleration to be gmoon = 1.63 m/s2.

Apollo 14 astronaut Alan Shepard famously took two golfshots on the Moon where it’s been estimated that an expertlyhit shot could travel for 70.0 s through the Moon’s reducedgravity, airless environment to a maximum range of 4.00 km(about 2.5 miles). Assuming such an expert shot has a launchangle of 45.0°, determine the golf ball’s (a) kinetic energy asit leaves the club, and (b) maximum altitude in km above thelunar surface. Take the mass of a golf ball to be 0.045 0 kg andthe Moon’s gravitational acceleration to be gmoon = 1.63 m/s2.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter8: Potential Energy And Conservation Of Energy

Section: Chapter Questions

Problem 17CQ: Neglecting air resistance, how much would I have to raise the vertical height if I wanted to double...

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Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

Apollo 14 astronaut Alan Shepard famously took two golf
shots on the Moon where it’s been estimated that an expertly
hit shot could travel for 70.0 s through the Moon’s reduced
gravity, airless environment to a maximum range of 4.00 km
(about 2.5 miles). Assuming such an expert shot has a launch
angle of 45.0°, determine the golf ball’s (a) kinetic energy as
it leaves the club, and (b) maximum altitude in km above the
lunar surface. Take the mass of a golf ball to be 0.045 0 kg and
the Moon’s gravitational acceleration to be g_moon = 1.63 m/s².

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