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OpenStudy (cookiemonster2412):
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OpenStudy (anonymous):
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OpenStudy (cookiemonster2412):
A train starts from rest and reaches a speed of 54 km/h in 10 sec. Find the acceleration
OpenStudy (cookiemonster2412):
@jim_thompson5910
OpenStudy (cookiemonster2412):
@mathstudent55
jimthompson5910 (jim_thompson5910):
the change in velocity is 54 km/hr - 0 km/hr = 54 km/hr this happens in 10 seconds, so 54/10 = 5.4 is the acceleration the units for this acceleration is in km/hr per second basically the train's speed increases by 5.4 km/hr every 1 second
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