Physics, 17.09.2019 23:00 jaylasmith884
Very large accelerations can injure the body, especially if they last for a considerable length of time. the severity index (si), a measure of the likelihood of injury, is defined as si = a5/2t, where a is the acceleration in multiples of g and t is the time the acceleration lasts (in seconds). in one set of studies of rear end collisions, a person's velocity increases by 12 km/h with an acceleration of 35 m/s2.(a) what is the severity index for the collision? (s)(b) how far does the person travel during the collision if the car was initially moving forward at 7.0 km/h? (m)
Answers: 3
Physics, 22.06.2019 10:30
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Asmall grinding wheel has a moment of inertia of 4.0×10−5 kg⋅m2 . what net torque must be applied to the wheel for its angular acceleration to be 150 rad/s2 ?
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Very large accelerations can injure the body, especially if they last for a considerable length of t...
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