Asked by bob
a 25000000 gr rocket is propelled from rest by an engine that produces a 312500 kgm/s2 for 1.375s
A) What is the sleds acceleration?
B) What is the velocity after 1.375s?
A) What is the sleds acceleration?
B) What is the velocity after 1.375s?
Answers
Answered by
drwls
A) a = F/m = 312,500/25,000 kg = 12.5 m/s^2
That is not very much acceleration for a rocket sled. Are you sure the mass is that high? That is a lot of zeroes.
B) If the acceleration, a, is constant (which it may not be since propellant is lost and mass decreases), then use
v = a t
That is not very much acceleration for a rocket sled. Are you sure the mass is that high? That is a lot of zeroes.
B) If the acceleration, a, is constant (which it may not be since propellant is lost and mass decreases), then use
v = a t
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