Ben (50 kg) was running to a park from rest. For the first 10 seconds, he reached 6 m/s. He continued to run with constant speed for 20 seconds. Suddenly, he saw an accident and stopped within 10 seconds. You are asked to: (a) find the acceleration for the first 10 seconds (b) calculate his force for running for the first 10 seconds (c) calculate his opposing force for the next 20 seconds (d) find the force needed to make him stop in the last 10 seconds
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10 m.s. -l . 1.4. Plot the values from Q1.3 to get this graph. 0. 1. 2. 3. 4. 5. 6 t/s ... The car is in gear, being driven at constant velocity. ... Electromagnetic forces are most important since they.
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