11. A 0.37 kg ball is suspended from a vertical spring with spring constant of 100.0 N/m. What is the downward stretch of the spring? Ax-? cm
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- Q15 A 4.90 kg block is placed on top of a vertical spring, which compresses a distance of 2.70 cm. Calculate the force constant (in N/m) of the spring.16. If your experimental value is g = 9.65 m/s² and the theoretical value is g = 9. 80 m/s², what is your percent error (in %)? 17. Suppose you hang a 20-g mass from a spring and it stretches 2.3 cm. What is the spring constant (in N/m) of this spring? 18. What mass (in grams) would stretch the same spring 3.2 cm?11. A 1.30-kg block is pushed against a vertical wall by means of a spring (k = 850 N/m). The coefficient of static friction between the block and the wall is 0.52. What is the minimum compression in the spring to prevent the block from slipping down? cm - ww
- okp 9. To measure the static friction coefficient between a 1.25-kg block and a vertical wall, a spring (k = 790 N/m) is attached to the block, is pushed on the end in a direction perpendicular to the wall until the block does not slip downward (see figure). If the spring is compressed by 0.048 m, what is the coefficient of static friction? p136 skpl (p136 skp136 skp136 skp136 sko 136 skp136 skp136 so136 skp136 skp 36 sk1 36 sk skp136 skp136 skp136 skp136 skpl skp136 skp136 skp skp dreamstimeme4.1. Consider the setup shown below: a block with mass m; sits on a table with friction coefficient u between the table and itself, attached on one side to a spring with stiffness k, and on the other side to a cord with negligible mass that wraps over a frictionless pully and supports a second block with mass m2 that's suspended in the air over the edge of the table. The friction between block 1 and the table is not enough to hold up block 2 so that, when it's released from rest, the spring stretches a distance Ax before the system comes to rest. a. Draw and label a free-body diagram for each block. (Use the gridlines to make sure that the relative lengths of your vector arrows are correct.) k m1 block 1: block 2: m2 b. What is the kinetic friction coefficient between block 1 and the table?
- 7. A person weighing 730N is sitting in a swing. The swing is pulled sideways until the rope makes an angle of 35° with the vertical. What is the tension on the rope?Please Asap10. A 75.0-kg circus performer jumps from a height 4.90 m onto a trampoline and it stretches 0.35 m. Assume that the trampoline obeys Hooke's Law. How far will it stretch if the performer jumps from a height 8.1 m? 36 36 skpi skp