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Physics, 22.06.2019 18:30
Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval Ī“t, 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 Ī“t)
Answers: 2
Physics, 22.06.2019 18:50
An insulated thermos contains 148 g of water at 72.7 Ėc. you put in a 11.7 g ice cube at 0.00 Ėc to form a system of ice + original water. the specific heat of liquid water is 4190 j/kgā¢k; and the heat of fusion of water is 333 kj/kg. what is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?
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Physics, 22.06.2019 21:30
Which of the following best describes the circuit shown below?
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Physics, 23.06.2019 00:00
Why does a collision with an airbag cause less damage than a collision with a steering wheel
Answers: 1
Is the point in the object around which its weight...
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