1. Fig. 1 is L = 100 cm long, has a ball attached to one end. and is xed at its other end. The distance
1. Fig. 1 is L = 100 cm long, has a ball attached to one end. and is xed at its other end. The distance d from the xed end to a xed peg at point P is 50.0 cm. When the initially stationary ball is released with the string horizontal as shown, it will swing along the dashed arc. What is its speed when it reaches (a) its lowest point and (b) its highest point after the string catches on the peg? fLi (J t L_s._.l Fig. 1. For Question 1 2. A 2.00 kg block is pushed again a spring with force constant k = 400 Nim, compressing it 0.220 rn. When the block is released, it moves along a frictionless, horizontal surface and then up a frictionless incline with slope 37.0 (Fig.2 ). (a) What is the speed of the block as it slides along the horizontal surface after having left the spring? (b) How far does the block travel up the incline before starting to slide back down? k = 400N/m m = 2.00kg |
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