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timels
a hot air balloon is released and it accelerates upwards. during the ascent, some sandbags are released and
the acceleration increases. the graph shows its vertical motion during the first 50 seconds of its flight.
speed/ms
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50
time/s
) calculate the acceleration after the sandbags are released.
) how high had the balloon risen after the 50 seconds had passed?
20 september, 2019