Physics, 16.12.2019 06:31 amedaldafari
A10kg mass going 4m/s to the right hits a 6kg object going 2m/s left. the 10kg ends up going 0.5 m/s left.
a) find the velocity of the 6kg object afterwards
b) was the collision elastic or inelastic?
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 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
Physics, 22.06.2019 14:10
Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:
Answers: 3
Physics, 23.06.2019 00:30
Which of the following are forms of phase changes a. freezing b. condensation c. heating d. exchanging
Answers: 2
Physics, 23.06.2019 02:30
Can a molecule have bond dipoles but not have a molecular dipole?
Answers: 2
A10kg mass going 4m/s to the right hits a 6kg object going 2m/s left. the 10kg ends up going 0.5 m/s...
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