Maria’s father started a fire in the fireplace. he crumpled some paper, lit a match, and soon the logs in the fireplace were burning. in this case, the stored chemical energy in the logs was changed into
a) electrical energy.
b) mechanical motion.
c) heat and light energy.
d) electrical and heat energy.
Answers: 2
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Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)
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Maria’s father started a fire in the fireplace. he crumpled some paper, lit a match, and soon the lo...
Mathematics, 20.10.2020 20:01
Mathematics, 20.10.2020 20:01
Mathematics, 20.10.2020 20:01
Mathematics, 20.10.2020 20:01
Mathematics, 20.10.2020 20:01
Mathematics, 20.10.2020 20:01