Physics, 04.04.2020 02:28 petroale000
The blade of an electric saw rotates at 2600 rev/min. Assume that the diameter of a typical saw that is used to saw boards in home construction and renovation is 10 cm. What is the linear speed in m/s of a point on the rim of the circular saw blade?
Answers: 1
Physics, 22.06.2019 01:20
Your target variable is δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. write an expression for δf in terms of the relevant frequencies using the subscript notation introduced above.
Answers: 3
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 ρa = 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 ρr of its path, both as observed by the nonrotating skydiver.
Answers: 3
Physics, 22.06.2019 21:30
Which of the following best describes the circuit shown below?
Answers: 3
The blade of an electric saw rotates at 2600 rev/min. Assume that the diameter of a typical saw that...
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