In a car crash, according to equation F delta t = delta p, the longer the impact time, the smaller the force can be for the same momentum change, and hence the smaller the deformation of the object on which the force acts. On this basis, explain the effect of airbags on the stopping time and impact force on the vehicle occupants, given that the airbags are intended to inflate during an automobile collision and reduce the possibility of fracture or death.

Q: In the figure, block 1 of mass m₁ slides from rest along a frictionless ramp from height h = 2.8 m…

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Q: In the figure, block 1 of mass m, slides from rest along a frictionless ramp from height h = 2.2 m…

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Q: 20 m/s to the east relative to Earth. It collides head-on with

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Q: In the figure, block 1 of mass m slides from rest along a frictionless ramp from height h = 2.5 m…

A: first mass = m1second mass (m2) = 4 m1h = 2.5 m μk = 0.35stopping distance after collision = d

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