022 10.0 points A rocket burns fuel at a rate of 240 kg/s and exhausts the...
022 10.0 points A rocket burns fuel at a rate of 240 kg/s and exhausts the gas at a relative speed of 1 km/s. Find the thrust of the rocket. Answer in units of MN.
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022 10.0 points A rocket burns fuel at a rate of 240 kg/s and
exhausts the...
A rocket has an initial mass of 29500 kg, of which 20% is the payload (i.e.,...
A rocket has an initial mass of 29500 kg, of which 20% is the payload (i.e., the mass of the rocket minus the fuel). It burns fuel at a rate of 190 kg/s and exhausts its gas at a relative speed of 2.5km/s. (a) Find the thrust of the rocket. kN (b) Find the time until burnout. s (c) Find its final speed assuming it moves upward near the surface of the earth where the gravitational field g is constant....
018 (part 1 of 2) 10.0 points A jet aircraft is traveling at 290 m/s in...
018 (part 1 of 2) 10.0 points A jet aircraft is traveling at 290 m/s in hor- izontal flight. The engine takes in air at a rate of 39.3 kg/s and burns fuel at a rate of 1.37 kg/s. The exhaust gases are ejected at 441 m/s relative to the aircraft. Find the thrust of the jet engine. Answer in units of N. 019 (part 2 of 2) 10.0 points Find the delivered power. Answer in units of W.
A rocket consumes fuel at a rate of 5840 kg/s. The exhaust speed is 1670m/s. The...
A rocket consumes fuel at a rate of 5840 kg/s. The exhaust speed is 1670m/s. The acceleration of gravity = 9.8 m/s^2. What is the thrust of the rocket?
A small sounding rocket has an initial mass of M=3200kg (80% of which is fuel) and...
A small sounding rocket has an initial mass of M=3200kg (80% of which is fuel) and burns fuel at a rate of 20 kg/s. The exhaust velocity of the gas ejected from the rocket is Uex=2000m/s. a. Find the thrust of the rocket motor. b. Find the time until burnout. c. Find the speed of the rocket at burnout assuming that the rocket moves straight up and stays close enough to Earth's surface that the gravitational acceleration is always g=9.81m/s^2
005 10.0 points A rocket initially at rest accelerates at a rate of 60 m/s for...
005 10.0 points A rocket initially at rest accelerates at a rate of 60 m/s for 0.58 min What is its speed at the end of this time? Answer in units of m/s. 006 (part 1 of 2) 10.0 points A glacier advances at 3.5 x 10-6 cm/s. How far will it move in 70000 s? Answer in units of cm. 007 (part 2 of 2) 10.0 points How far will it move in 5.2 y? Answer in units of...
A rocket, which is in deep space and initially at rest relative to an inertial reference...
A rocket, which is in deep space and initially at rest relative to an inertial reference frame, has a mass of 85.2 x 105 kg, of which 18.3 x 105 kg is fuel. The rocket engine is then fired for 170 s, during which fuel is consumed at the rate of 360 kg/s. The speed of the exhaust products relative to the rocket is 2.60 km/s. (a) What is the rocket's thrust? After the 170 s firing, what are (b)...
A rocket that is in deep space and initially at rest relative to an inertial reference...
A rocket that is in deep space and initially at rest relative to an inertial reference frame has a mass of 2.80 105 kg, of which 1.92 105 kg is fuel. The rocket engine is then fired for 250 s while fuel is consumed at the rate of 480 kg/s. The speed of the exhaust product relative to the rocket is 3.21 km/s. (a) What is the rocket's thrust? N (b) What is the mass of the rocket after the...
Problem 1 A model rocket has engine with an average thrust of 6.92 N. The rocket...
Problem 1 A model rocket has engine with an average thrust of 6.92 N. The rocket mass is 72.5g,which includes fuel mass 22.3 g. The duration of fuel burning is 2.52 s a) What is the average exhaust speed v, of the engine? (12 points) b) What is the final speed i of this rocket if it were to be fired from International Space Station with initial speed v-7660 m/s? Assume the fuel burns at a constant rate (13 points)...
A Saturn-V Rocket has a total mass of 3.00 times 10^6 kg when fully fueled. The...
A Saturn-V Rocket has a total mass of 3.00 times 10^6 kg when fully fueled. The first stage of rocket propulsion burns 2.27 times 10^6 kg of fuel in 150 s, providing a thrust of 3.402 times 10^7 N, as the rocket is lifted against Earth's gravity. a) Find the rate at which fuel is burned during this first-stage propulsion, assuming a steady rate of fuel consumption. b) Find the exhaust speed of the fuel as it is ejected from...
022 (part 1 of 2) 10.0 points A car travels due east with a speed of...
022 (part 1 of 2) 10.0 points A car travels due east with a speed of 60.9 km/h. Rain is falling vertically witlh respect to the Earth. The traces of the rain on the side windows of the car make an angle of 66.6 with the vertical Find the velocity of the rain with respect to the car Answer in units of km/h. 023 (part 2 of 2) 10.0 points Find the velocity of the rain with respect to the...
018 (part 1 of 2) 10.0 points A jet aircraft is traveling at 290 m/s in hor- izontal flight. The engine takes in air at a rate of 39.3 kg/s and burns fuel at a rate of 1.37 kg/s. The exhaust gases are ejected at 441 m/s relative to the aircraft. Find the thrust of the jet engine. Answer in units of N. 019 (part 2 of 2) 10.0 points Find the delivered power. Answer in units of W.
005 10.0 points A rocket initially at rest accelerates at a rate of 60 m/s for 0.58 min What is its speed at the end of this time? Answer in units of m/s. 006 (part 1 of 2) 10.0 points A glacier advances at 3.5 x 10-6 cm/s. How far will it move in 70000 s? Answer in units of cm. 007 (part 2 of 2) 10.0 points How far will it move in 5.2 y? Answer in units of...
A rocket, which is in deep space and initially at rest relative to an inertial reference frame, has a mass of 85.2 x 105 kg, of which 18.3 x 105 kg is fuel. The rocket engine is then fired for 170 s, during which fuel is consumed at the rate of 360 kg/s. The speed of the exhaust products relative to the rocket is 2.60 km/s. (a) What is the rocket's thrust? After the 170 s firing, what are (b)...
Problem 1 A model rocket has engine with an average thrust of 6.92 N. The rocket mass is 72.5g,which includes fuel mass 22.3 g. The duration of fuel burning is 2.52 s a) What is the average exhaust speed v, of the engine? (12 points) b) What is the final speed i of this rocket if it were to be fired from International Space Station with initial speed v-7660 m/s? Assume the fuel burns at a constant rate (13 points)...
A Saturn-V Rocket has a total mass of 3.00 times 10^6 kg when fully fueled. The first stage of rocket propulsion burns 2.27 times 10^6 kg of fuel in 150 s, providing a thrust of 3.402 times 10^7 N, as the rocket is lifted against Earth's gravity. a) Find the rate at which fuel is burned during this first-stage propulsion, assuming a steady rate of fuel consumption. b) Find the exhaust speed of the fuel as it is ejected from...
022 (part 1 of 2) 10.0 points A car travels due east with a speed of 60.9 km/h. Rain is falling vertically witlh respect to the Earth. The traces of the rain on the side windows of the car make an angle of 66.6 with the vertical Find the velocity of the rain with respect to the car Answer in units of km/h. 023 (part 2 of 2) 10.0 points Find the velocity of the rain with respect to the...
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