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ikadub [295]
3 years ago
14

Internal injuries can include which of the following? HELP ASAP (EDG ANATOMY 2020)

Physics
1 answer:
shepuryov [24]3 years ago
6 0

Answer: fractured rib, neck sprain, ruptured organ, torn tendon

Explanation: I just did it

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A 1210 kg rollercoaster car is
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Answer: 4.98 m/s

Explanation:

You solve these kinetic energy, potential energy problems by using the fact P.E.+ K.E. = a constant as long as friction is ignored.

PEi = 0 in this case

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½1210*8.31² = 1210*9.8*2.26 + ½1210*Vf²

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Assuming a vertical trajectory with no drag, derive the applicable form of the rocket equation for this application
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Answer:

The vertical trajectory is governed by Ordinary Differential Equation.

Time derivatives of each state variables.

d(d)/dt = v, d(m)/dt = -d(m-fuel)/dt, d(v)/dt = F/m.

Where V is velocity positive upwards, t is time, m is mass, m-fuel is fuel mass, F is Total force, positive upwards.

Therefore,

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Explanation:

The two sign cases in derivative equations above are required because F is defined positive up, so the drag D and thrust T can subtract or add to F depending in the sign of V . In contrast, the gravity force contribution mg is always negative. In general, F will be some function of time, and may also depend on the characteristics of the particular rocket. For example, the T component of F will become zero after all the fuel is expended, after which point the rocket will be ballistic, with only the gravity force and the aerodynamic drag force being p

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