Atoy truck has a speed of 4 m/s and kinetic energy of 48 j. what is its mass?
a. 8 kg
b...
Answers: 2
Physics, 22.06.2019 19:30, ayoismeisjjjjuan
Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical
Answers: 1
Physics, 22.06.2019 20:00, teescub9738
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
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