margaret8800
01.07.2019 •
Physics
Amachinist turns the power on to a grinding wheel, which is at rest at time t = 0.00 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 80 rad/s. the wheel is run at that angular velocity for 39 s and then power is shut off. the wheel decelerates uniformly at 2.6 rad/s2 until the wheel stops. in this situation, the time interval of angular deceleration (slowing down) is closest to:
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Ответ:
Yes.
Explanation:
-The buoyant force on the two spheres is same when submerged at different depths.
-The magnitude of buoyant force does not depend upon the depth of water.
-Both both the balls have same volume they displace the liquid of same volume.