Physics, 22.12.2020 04:20 jwjohnson20
A rocket engine uses fuel and oxidizer in a reaction that produces gas particles having a velocity of 1380 ms The desired thrust is to be 195000 N 16. what must be the fuel/oxidizer consumption rate (in kg s1)? 16 17. If the initial weight of the rocket is 125000 N, what is its initial acceleration? 17 18. What are the weight and acceleration of the rocket at t 15.0 s after 18. ignition? 19. What are the weight and acceleration of the rocket att 20.0 s after ignition?
Answers: 3
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What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?
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Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?
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Which type of energy is transferred by convection currents?
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A rocket engine uses fuel and oxidizer in a reaction that produces gas particles having a velocity o...
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