Answers: 2
Physics, 22.06.2019 18:00
By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?
Answers: 1
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 “stick” 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 21:50
As microwave light travels through a liquid, it moves at a speed of 2.2 x 108 m/s. if the frequency of this light wave is 1.1 x 108 hz, what is the wavelength of this microwave?
Answers: 2
A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2. What is the mass of...
Law, 27.05.2020 19:57
Social Studies, 27.05.2020 19:57
History, 27.05.2020 19:57
Social Studies, 27.05.2020 19:57
Mathematics, 27.05.2020 19:57
Geography, 27.05.2020 19:57
Computers and Technology, 27.05.2020 19:57
History, 27.05.2020 19:57
Mathematics, 27.05.2020 19:57