A car (VW) and a truck (C) collide inelastically (stick together). The impact is made in a very short time of Δt = 0.1 s. Initial speeds: UVW = 40.0 m / s UC = 30.0 m / s Masses: MVW = 900.0 kg MC = 2000.0 kg a) Determine the initial vector velocities (use rectangular notation) UVW = UC = b) Determine the total vector momentum Initial Pi = c) Determine the final velocity of both V = d) Determine the average vector acceleration AVW = AC = e) Vector average force on C and VW. (Do you notice something important in the results?). FVW = FC = f) For the case of truck C, determine its : ΔP = g) For the case of truck C, determine the impulse I suffered, that is, FC Δt (Do you notice something important comparing the results of f and g?). What results would you expect for the VW? h) Determine the initial total kinetic energy of the system. i) The final total energy of the system. Are the initial to the final the same? Solve parts g, h and i
A car (VW) and a truck (C) collide inelastically (stick together). The impact is made in a very short time of Δt = 0.1 s.
Initial speeds:
UVW = 40.0 m / s
UC = 30.0 m / s
Masses:
MVW = 900.0 kg
MC = 2000.0 kg
a) Determine the initial vector velocities (use rectangular notation)
UVW = UC =
b) Determine the total vector momentum Initial Pi =
c) Determine the final velocity of both V =
d) Determine the average vector acceleration
AVW = AC =
e) Vector average force on C and VW. (Do you notice something important in the results?).
FVW = FC =
f) For the case of truck C, determine its : ΔP =
g) For the case of truck C, determine the impulse I suffered, that is, FC Δt (Do you notice something important comparing the results of f and g?). What results would you expect for the VW?
h) Determine the initial total kinetic energy of the system.
i) The final total energy of the system. Are the initial to the final the same?
Solve parts g, h and i
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