Problem 15.39 4 of 5 Review Two cars A and B have a mass of 2.1Mg and 1.2Mg, respectively. Part A Determine the magnitudes of vand v if the cars collide and stick together while moving with a common B speed of 50k in the direction shown. (Figure 1) Enter your answers numerically separated by a comma. h B m - Provide Feedback Request Answer Figure 1 of 1 Figure 45 50 km/h 1 of 1 Submit Provide Feedback Request Answer Next >>

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Proper Length

The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.