Physics, 20.02.2021 08:40 Zachgrainger4436
An auto company technician is trying to relate a car’s damage in a crash test to the kinetic energy of the car on impact. In addition to the mass of the car, what ratio will the technician need in order to determine to complete his study? The ratio of time to speed, weight to mass, distance to time, or acceleration to speed. Explain why.
Answers: 1
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The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.
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Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)
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