APFIVE Validity of Constant-g Approximation
A projectile is launched from Earth’s surface with velocity v. For what maximum height h of the trajectory can we use the constant-g approximation with less than 0.5% error in the calculated time of flight?
A
h ≈ 32 km
B
h ≈ 64 km
C
h ≈ 16 km
D
h ≈ 8 km
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