College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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N
and is
A 34.8 kg box is being pulled by a spring to the left. The spring constant of the spring is 560
-
т
stretched 0.5 m past its relaxed point. There is friction pulling on the box to the right, the coefficient of
friction is 0.37. The box is accelerating to the left.
What is the weight of the box?
Fg=
Units:
What is the Force of the spring on the box?
Fs
Units:
What is the Normal Force on the box?
FN=
Units:
What is the force of friction on the box?
FF=
Units:
What is the acceleration of the box?
a=
Units:
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- A spring has a length of 0.220 m when a 0.300 kg mass hangs from it, and a length of 0.750 m when a 2.80 kg mass hangs from it. (a) What is the force constant (in N/m) of the spring? N/m (b) What is the unloaded length (in m) of the spring? Additional Materials O Readingarrow_forwardi need help understanding spring coefficients?arrow_forward2 w. A 1.50 kg block slides on a rough horizontal surface. The block hits a spring with a speed of 2.50 m/s and compresses it a distance of 11.0 cm before coming to rest. 3 E D 4 R F % 5 T Part A If the coefficient of kinetic friction between the block and the surface is 0.510, what is the force constant of the spring? 6 k= G Search or type URL Submit Provide Feedback |ΫΠΙ ΑΣΦ MacBook Pro Y H & 7 3 Request Answer * 00 8 n 1 ( 9 K ? N/m O O P = Next > O 14 •arrow_forward
- A mass hanging from a spring undergoes vertical simple harmonic motion.a. Where in the motion is the magnitude of the net force equal to zero?b. Where in the motion is the velocity equal to zero?c. Where in the motion does the acceleration have its greatest magnitude?d. Where in the motion is the spring force equal to zero?arrow_forwardDuring an experiment, a ball was thrown from the top of a building, 15.0 m in height from a spring. The spring was compressed by 2.75 meters. Take 185 N/m as spring constant. a. Determine the ball’s mass. b. If the spring was compressed to 1.25 m, determine the speed of the ball.arrow_forwardWhen a 4.60 kg object is placed on top of a vertical spring, the spring compresses a distance of 2.97 cm. What is the force constant of the spring? N/marrow_forward
- 8. An object of mass 0.54 kg is attached to a horizontal spring, with spring constant 40.0 4.10 cm from the equilibrium position and released, what is its maximum speed? m/s ssf60 stele 50 ssf6”. SI If the object is stretched ssf60 ssf.com $ 09588 093arrow_forwardB04arrow_forwardKwame experimented with his spring scale and found that it took 3.5 N of force to move his spring scale 0.02 m. What is the spring constant of Kwame's spring scale? A 175 N. 0.07- 7.0 D. 3.48 B.arrow_forward
- A 0.81-kg block is hung from and stretches a spring that is attached to the ceiling. A second block is attached to the first one, and the amount that the spring stretches from its unstretched length triples. What is the mass of the second block? Unstretched length m1 X2 = 3x1 m1 m2 Number Unitsarrow_forwardThe 8-kg block is moving with an initial speed of 8 m/s. If the coefficient of kinetic friction between the block and plane is 0.33 = 0.25, determine the compression in the spring when the block momentarily stops. The spring constant is k = 227 N/marrow_forwardFish are hung on a spring scale to determine their mass. a. What is the force constant of the spring in such a scale if it the spring stretches 11.00 cm for a 13.0 kg load? b. What is the mass of a fish that stretches the spring 7.00 cm? c. How far apart are the quarter-kilogram marks on the scale?arrow_forward
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