time in air:
hf=ho+ViSin45*t-4.9/6 t^2
0=0 23Sin45*t-4.9/6 t^2 solve for t.
range:
range= 23Cos45*t
An astronaut on the Moon fires a projectile from a launcher on a level surface so as to get the maximum range. If the launcher gives the projectile a muzzle velocity of 23 m/s, what is the range of the projectile? [Hint: The acceleration due to gravity on the Moon is only one sixth of that on the Earth.]
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