ApoSiion-time graph is shown below Position vs. Time 15 0 Time (seconds) Which statement accurately describes the speed of the object in the graph above over the 10 seconds? Speed is decreasing Speed is constant Speed is not constant Obect is at rest
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Ответ:
A 1,000 kg car is traveling at 20 m/s. How much kinetic energy ...www.quora.com › A-1-000-kg-car-is-traveling-at-20-m-s...
Here, Given- mass=1000kg Speed=20m/s Formula for Ek=1/2mv² Putting the value in the formula We get Ek=1/2×1000×20 =10000joules.
Explanation: