Physics, 04.01.2021 02:20 hunterbetterton1
A 50.0-kg child stands at the rim of a merry-go-round of radius 2.25 m, rotating with an angular speed of 3.30 rad/s.. What is the child's centripetal acceleration?
Answers: 3
Physics, 21.06.2019 16:40
Three point charges, two positive and one negative, each having a magnitude of 20 Îźc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge
Answers: 3
Physics, 22.06.2019 01:00
When you turn on a battery-operated device, an electrical circuit is
Answers: 1
Physics, 22.06.2019 07:00
Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?
Answers: 1
Physics, 22.06.2019 13:00
At a certain instant after jumping from the airplane a, a skydiver b is in the position shown and has reached a terminal (constant) speed vb = 52 m/s. the airplane has the same constant speed va = 52 m/s, and after a period of level flight is just beginning to follow the circular path shown of radius Ďa = 2330 m. (a) determine the velocity and acceleration of the airplane relative to the skydiver. (b) determine the time rate of change of the speed vr of the airplane and the radius of curvature Ďr of its path, both as observed by the nonrotating skydiver.
Answers: 3
A 50.0-kg child stands at the rim of a merry-go-round of radius 2.25 m, rotating with an angular spe...
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