Physics > QUESTIONS & ANSWERS > physics assesment questions (All)
. Based on the setup below, which of the following statements is true? (Assume the car starts at rest and there is no friction.) A. The car will easily smash the egg. B. The car will just barely ... crack the egg. C. The car will touch the egg but won't break it. D. The car will never reach the egg. Correct Answer: D. The car will never reach the egg. Explanation: Because the egg on Hill 3 is higher than the initial height of the car on Hill 1, the car will not be able to reach the egg. Unless it has some starting speed, the car will not be able to rise higher than its starting position. You answered this question correctly! 2. A 30-g car rolls from a hill 12 cm high and is traveling at 154 cm/s as it travels along a 275 cm horizontal track. What is the momentum of the car? A. 360 g⋅cm B. 1848 cm /s C. 4620 g⋅cm/s 2 This study source was downloaded by 1000008300344 [Show More]
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