Figure 5-45 shows a 5.00 kg block being pulled along a
Chapter , Problem 60(choose chapter or problem)
Figure 5-45 shows a 5.00 kg block being pulled along a frictionless floor by a cord that applies a force of constant magnitude 20.0 N but with an angle u(t) that varies with time. When angle u " 25.03, at what rate is the acceleration of the block changing if (a) u(t) " (2.00 ' 10$2 deg/s)t and (b) u(t) " $(2.00 ' 10$2 deg/s)t? (Hint: The angle should be in radians.)
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