When Tony Stark is in one of his Iron Man suits, the total mass of the suit, the fuel, and himself is 230 kg. (a) Suppose he uses the suit to hover motionless in the air by burning fuel and expelling the gases formed at a speed of 4600 m/s relative to the suit. At what rate, in kg/s, must the fuel be burned? (b) How much power does the suit use to hover as in (a)? (c) As the suit continues to hover, assuming its exhaust speed remains constant at 4600 m/s, what happens to the rate at which it needs to burn fuel? What happens to its power consumption?
When Tony Stark is in one of his Iron Man suits, the total mass of the suit, the fuel, and himself is 230 kg. (a) Suppose he uses the suit to hover motionless in the air by burning fuel and expelling the gases formed at a speed of 4600 m/s relative to the suit. At what rate, in kg/s, must the fuel be burned? (b) How much power does the suit use to hover as in (a)? (c) As the suit continues to hover, assuming its exhaust speed remains constant at 4600 m/s, what happens to the rate at which it needs to burn fuel? What happens to its power consumption?
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Transcribed Image Text:When Tony Stark is in one of his Iron Man suits, the total mass of the suit, the fuel, and himself is
230 kg.
(a) Suppose he uses the suit to hover motionless in the air by burning fuel and expelling the gases
formed at a speed of 4600m/s relative to the suit. At what rate, in kg/s, must the fuel be
burned?
(b) How much power does the suit use to hover as in (a)?
(c) As the suit continues to hover, assuming its exhaust speed remains constant at 4600 m/s, what
happens to the rate at which it needs to burn fuel? What happens to its power consumption?
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