Physics, 16.04.2021 21:20, lizdominguez101
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 70.50 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°, determine the golf ball's kinetic energy as it leaves the club, and maximum altitude in km above the lunar surface. Take the mass of a golf ball to be 0.0450 kg and the moon's gravitational acceleration to be g(moon) = 1.63 m/s2.
(a)kinetic energy as it leaves the club (in J)
(b)maximum altitude in km above the lunar surface
Answers: 2
Physics, 23.06.2019 00:10, 2002boo13
Consider a small frictionless puck perched at the top of a fixed sphere of radius r. if the puck is given a tiny nudge so that it begins to slide down, through what vertical height will it descend before it leaves the surface of the sphere? [hint: use conservation of energy to find the puck's speed as a func e conservation of energy to find the puck's speed as a function of its height at what value of this normal force does the puck leave the sphere? ] here on the puck.
Answers: 2
Physics, 23.06.2019 15:00, normarjohnson
Which of the following are found in plant cells buh not animal cells?
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