A large rocket has a mass of 2.00 x 106 kg at takeoff, and its engines produce a thrust of 3.50 x 107 N. (a) Find its initial acceleration if it takes off vertically. (b) How long does it take to reach a velocity of 120 km/h straight up, assuming constant mass and thrust? (A) a) 17.5 m/s2 b) 1.90 s (B a) 7.70 m/s2 b) 4.33 s C a) 12.3 m/s2 b) 2.71 s D) a) 23.4 m/s2 b) 1.42 s

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A large rocket has a mass of 2.00 x 106 kg at takeoff, and its engines produce a thrust of 3.50 x 107 N. (a) Find its initial acceleration if
it takes off vertically. (b) How long does it take to reach a velocity of 120 km/h straight up, assuming constant mass and thrust?
(A) a) 17.5 m/s2 b) 1.90 s
(B a) 7.70 m/s2
b) 4.33 s
C a) 12.3 m/s2
b) 2.71 s
D a) 23.4 m/s2
b) 1.42 s
Transcribed Image Text:A large rocket has a mass of 2.00 x 106 kg at takeoff, and its engines produce a thrust of 3.50 x 107 N. (a) Find its initial acceleration if it takes off vertically. (b) How long does it take to reach a velocity of 120 km/h straight up, assuming constant mass and thrust? (A) a) 17.5 m/s2 b) 1.90 s (B a) 7.70 m/s2 b) 4.33 s C a) 12.3 m/s2 b) 2.71 s D a) 23.4 m/s2 b) 1.42 s
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