Physics, 19.09.2021 14:00 kathleendthomas
3.3. 0.5 A boy walks 20m left, turns and walks 30m right. He then turns and walks 50mleft. Using a scale diagram, find the resultant vector. β
Answers: 3
Physics, 22.06.2019 20:00
In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. the cylinder begins to rotate about a vertical axis. then the floor on which the passengers are standing suddenly drops away! if all goes well, the passengers will βstickβ to the wall and not slide. clothing has a static coefficient of friction against steel in the range 0.60 to 1.0 and a kinetic coefficient in the range 0.40 to 0.70. part a what is the minimum rotational frequency, in rpm, for which the ride is safe? express your answer using two significant figures. f f = rpm
Answers: 1
Physics, 22.06.2019 22:00
Aspaceship starting from a resting position accelerates at a constant rate of 9.8 meters per second per second. how far will the spaceship travel if its final speed is 1 percent the speed of light (300,000,000 m/s)? a. 3.1 Γ 106 m b. 2.94 Γ 108 m c. 7.8 Γ 1010 m d. 4.6 Γ 1013 m
Answers: 1
Physics, 23.06.2019 06:00
Atoms in a molecule are bonded together by sharing gaining or losing_
Answers: 1
3.3. 0.5 A boy walks 20m left, turns and walks 30m right. He then turns and walks 50mleft. Using a s...
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