Physics, 14.07.2019 22:50 wendii87wh
5. a balloon is ascending at the rate of 4.9m/s. a pocket is dropped from the balloon when situated at a height of 245m. how long does it take the packet to reach the ground? what is its final velocity?
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Physics, 22.06.2019 03:50
Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
Answers: 1
Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 11:30
If forces acting on an object are unbalanced. true or false
Answers: 1
5. a balloon is ascending at the rate of 4.9m/s. a pocket is dropped from the balloon when situated...
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