Physics, 16.10.2020 03:01 patrick171888
Which of the following statements is true? The mass of an astronaut on earth is the same as the mass of an astronaut on the moon. Friction occurs in the same direction as an object's motion. The more massive an object, the faster it will free-fall. The more massive an object, the faster it will accelerate.
Answers: 2
Physics, 21.06.2019 22:20
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
Answers: 2
Physics, 22.06.2019 06:30
From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.
Answers: 1
Physics, 22.06.2019 16:20
Select the correct answer. what does the process of natural selection involve?
Answers: 1
Which of the following statements is true? The mass of an astronaut on earth is the same as the mass...
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