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A rocket sled speeds up from 40 meters per second to 55 meters per second in 5.0 seconds, using an engine that produces 3500 N of thrust.?
How much thrust would be needed to get the same increase in speed in 2.0 seconds?
Δvelocity = M= A =Time = F=Physics
2 Answers
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- Anonymous3 weeks ago
3500 = m*(55-40)/5
m = 3500*5/15 = 3500/3 kg
Fi = m*15/2 = 3500*15/6 = 3500*5/2 = 8750 N
- oldschoolLv 73 weeks ago
(55m/s-40m/s)/5s = 3m/s² = F/mass = 3500/mass
mass = 3500/3 = 1167kg
(55-40)/2s = 7.5m/s² = F/1167
F = 7.5*1167 = 8750N <<<<<
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