At an archery event, a woman draws the string of her bow horizontally back from 0 to 0.416 m with a force that increases steadily from 0 to 800 N. Assume the bowstring is a spring. What is the spring constant of the bowstring? O 980 N/m O 2,940 N/m O 1,410 N/m O 1,920 N/m O 2,230 N/m
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- A child bounces on a pogo stick, compressing the spring 0.160.16 m with every bounce. If the compressed spring stores 4343 J of elastic potential energy, what is the spring constant of the pogo stick? What is the spring constant?A 1.6 kg block is placed on a spring scale, causing it to go down by 8 cm. What is the spring constant for the spring in the scale?The fair is in town and one of the attractions is a bungee jump. They are trying to determine the safety restrictions to prevent an accident. The length of the cord is 6.3m. The maximum distance of the fall is H=31 m, and the spring constant is K=145N/m. Given this information, what is the largest mass of jumper this attraction can allow?
- Question 20 A spring with a constant of 10 N/m extends 1.5 m when supporting a weight. A second spring with a constant of 10 N/m is added in series. What is the extension of the combined spring system? 3 m 1.33 m 13.33 m 0.75 m+ 50m Bungee begins stretching 30m 10m v=0 12. A bungee jumper with a mass of 100kg jumps from a bridge. There is some free fall before the bungee cord becomes tight and begins to stretch. After the cord stretches it applies a force that brings the jumper to rest at her lowest point. What is the spring constant, k, of the bungee cord/rope?Q8
- An orthodontic spring, connected between the upper and lower jaws, is adjusted to provide no force with the mouth open. When the patient closes her mouth, however, the spring compresses by 6.0 mm. What force is exerted if the spring constant is 160 N/m?A 90-gram mass is placed on a vertically oriented spring that then is stretched 0.5 meters below its equilibrium position and released. If the spring constant is 200 N/m, how fast will the mass be moving when it reaches the equilibrium position? Hint: You cannot ignore the change in gravitational potential energy in this problem. Please give your answer in units of m/s, however, do not explicitly include units when typing your answer into the answer box. Including actual units will result in your answer being incorrectly scored.The spring in a retractable ballpoint pen is 1.8 cm long, with a 300 N/m spring constant. When the pen is retracted, the spring is compressed by 1.0 mm. When you click the button to extend the pen, you compress the spring by an additional 6.0 mm. How much energy is required to extend the pen?
- You shoot a 39.5-g pebble straight up with a catapult whose spring constant is 320.0 N/m. The catapult is initially stretched by 0.190 m. How high above the starting point does the pebble fly? Ignore air resistanceA 1500-kg car moving at 20 m/s hits an initially uncompressed horizontal ideal spring. What is the spring constant if the maximum distance the spring compresses is 0.5 m? 2.4 x 10° N/m 3.0 x 106 N/m 2.0 x 106 N/m 1.0 x 106 N/mA 0.90 kg brick compresses a spring 0.35 meters at point A and the spring has a spring constant of 75 N/m. How much elastic potential energy does the brick possess? A В hA = 0 he = 0 VA = 0 Vв > 0 A 3.20 Joules 984 Joules 4.59 Joules 675 Joules O O O O