. The block shown in Figure 2 has mass a7.0 kg and lies on a fixed smooth frictionless plane tilted at an angle 0- 22° to the horizontal. (a) Determine the acceleration of the block as it slides down the plane. (b) If the block starts from rest 12.0 m up the plane from its base, what will be the block's speed when it reaches the bottom of the incline? (c) A block is given an initial speed of 4.5 ms up the 22.0 plane. Figure 2 (i) How far up the plane will it go? (ii) How much time elapses before it retums to its starting point? Ignore friction
2. The block shown in Figure 2 has mass a7.0 kg and lies on a fixed smooth frictionless plane tilted at an angle 0- 22° to the horizontal. (a) Determine the acceleration of the block as it slides down the plane. (b) If the block starts from rest 12.0 m up the plane from its base, what will be the block's speed when it reaches the bottom of the incline? (c) A block is given an initial speed of 4.5 ms up the 22.0 plane. Figure 2 (i) How far up the plane will it go? (ii) How much time elapses before it retums to its starting point? Ignore friction. [Ans: a) 3.67 ms b) 9.39 ms' c)i) 2.8 m i) 2.5 s] Credit: Physics for scientists & Engineers with modern physics Giancoli a RZ Aug2020
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