An archer pulls her bowstring back 0.390 m by exerting a force that increases uniformly from zero to 217 N. (a) What is the equivalent spring constant of the bow? (b) How much work does the archer do in pulling the bow?
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An archer pulls her bowstring back 0.390 m by exerting a force that increases uniformly from zero to 217 N.
(a) What is the equivalent spring constant of the bow?
(b) How much work does the archer do in pulling the bow?
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- It takes 1700 J of work to stretch a spring from its natural length of 1 m to a length of 5 m. Find the force constant of the spring. The spring's force constant is N/m. (Type an integer or a simplified fraction.)An archer pulls her bowstring back 0.398 m by exerting a force that increases uniformly from zero to 231 N. (a) What is the equivalent spring constant of the bow? N/m (b) How much work does the archer do on the string in drawing the bow?An archer pulls her bowstring back 0.390 m by exerting a force that increases uniformly from zero to 220 N. (a) What is the equivalent spring constant of the bow? (b) How much work does the archer do in pulling the bow?
- If a spring is stretched 2.2 cm by a suspended object having a mass of 0.40 kg, what is the force constant of the spring? How much work is done by the spring on the object as it stretches through this distance? Evaluate the work done by the gravitational force on the object (in J).An archer pulls her bowstring back 0.390 m by exerting a force that increases uniformly from zero to 235 N. (a) What is the equivalent spring constant of the bow? N/m (b) How much work does the archer do in pulling the bow?An archer pulls her bowstring back 0.370 m by exerting a force that increases uniformly from zero to 232 N. (a) What is the equivalent spring constant of the bow? N/m (b) How much work does the archer do in pulling the bow? Need Help? Read It
- A spring that obeys Hooke's law is hung in a vertical orientation. The spring is stretched a total of 6.0 cm from its equilibrium length when a 2.0 kg mass hangs from it. The spring, mass system is then pulled downward by an external force which lengthens the spring an additional 10cm. While the spring is being extended what is the work done by the spring?An archer pulls her bowstring back 0.410 m by exerting a force that increases uniformly from zero to 233 N. (a) What is the equivalent spring constant of the bow? N/m (b) How much work does the archer do in pulling the bow?When a 2.20-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 2.30 cm. (a) What is the force constant of the spring? N/m (b) If the 2.20-kg object is removed, how far will the spring stretch if a 1.10-kg block is hung on it? cm (c) How much work must an external agent do to stretch the same spring 8.50 cm from its unstretched position? J
- How far, in meters, would a spring, with a spring constant of 184.8 N/m, need to be stretched in order to have an elastic potential energy of 47.7 Joules?An archer pulls her bowstring back 0.408 m by exerting a force that increases uniformly from zero to 215 N. (a) What is the equivalent spring constant of the bow? N/m (b) How much work does the archer do on the string in drawing the bow?A mass of 25kg is attached to a spring (k=650N/m) and is hung from a ceiling. The mass is released at a height h when the spring is unstretched. a) What is the speed of the mass when it has fallen a distance of 0.30m? b) What is the minimum release height (h) if the mass does not strike the floor? Both parts answered.