Physics, 29.03.2021 17:30 ladybugys

1,What were you doing when you felt most passionate and alive? 2,Do you feel like you've lived this same day many times before?

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Physics, 21.06.2019 22:20, CM0

Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 11.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.80 m/s; (b) he is then lifted at the constant speed of 4.80 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 78.0 kg rescue by the force lifting him during each stage

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Physics, 22.06.2019 21:00, estebencampos69

Aflask with vinegar in it has a mass of 160 grams. a balloon with baking soda in it has a mass of 40 grams. the balloon is attached to the flask to seal the opening and the vinegar and baking soda mixes. the balloon inflates to a large volume. what will the total mass of the balloon and flask be after the balloon inflates? explain. a) less than 200 grams because the solid baking soda disappears. b) 200 grams, because all the atoms remain in the balloon or flask. c) more than 200 grams because the size of the balloon is so much larger. d) less than 200 grams because gases such as the one in the balloon are lighter than solids and liquids.

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Physics, 23.06.2019 08:30, Anybody6457

The momentum of a man riding his bicycle downhill can be calculated. the bicycle and the man have a combined mass of 40 kg. the velocity of the bicycle is 10 m/s. calculate the momentum.

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Physics, 23.06.2019 10:00, bernadetteindre6650

The current through a 10 ohm resistor is 1.2 amperes. what is the potential difference across the resistor?

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1,What were you doing when you felt most passionate and alive? 2,Do you feel like you've lived this...