Physics, 05.09.2020 19:01, rakanmadi87
A stunt car driver testing the use of air bags drives a car at a constant speed of25 m/s for a total of 100m. He applies his brakes and accelerates uniformly to a stop just as he reaches a wall 50m away.
Required:
Sketch the a graph showing position v. s time and velocity v. s time.
Answers: 1
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What is the most useful equation for electric power?
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Physics, 22.06.2019 13:00, caleb1009
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 Ļa = 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 Ļr of its path, both as observed by the nonrotating skydiver.
Answers: 3
Physics, 22.06.2019 18:00, hannacarroll2539
Athin nonconducting rod with a uniform distribution of positive charge q is bent into a circle of radius r. the central perpendicular axis through the ring is a z-axis, with the origin at the center of the ring. a) what is the magnitude of the electric field due to the rod at z = 0? n/c (b) what is the magnitude of the electric field due to the rod at z = infinity? n/c (c) in terms of r, at what positive value of z is that magnitude maximum? r (d) if r = 4.00 cm and q = 9.00 Āµc, what is the maximum magnitude? n/c
Answers: 1
A stunt car driver testing the use of air bags drives a car at a constant speed of25 m/s for a total...
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