XXVProblem 7.22(Figure 1) shows a F = 7.0 N force pushing two gliders along an air track. The 220 g springbetween the gliders is compressed. Assume the force F acts and the whole system moves in thesame direction. The spring does not sag.Part AHow much force does the spring exert on glider A?Express your answer to two significant figures and include the appropriate units.F =ValueUnitsSubmitRequest AnswerPart BHow much force does the spring exert on glider B?Express your answer to two significant figures and include the appropriate units.ValueUnitsF =SubmitRequest AnswerProvide FeedbackFigure<) 1 of 1>AВmF400600 g

By fbd of system Acceleration of system a = F/(m1+m2+m3) a = 7/(.4+.22+.6) a = 5.74 m/s2 A) now…

Answered: (Figure 1) shows a F = 7.0 N force…

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 66AP: A ball of mass m = 1.80 kg is released from rest at a height h = 65.0 cm above a light vertical...

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A ball of mass m =1.80 kg is released from rest at a height h = 65.0 cm above a light vertical spring of force constant k as in Figure P5.66a. The ball strikes the top of the spring and compresses it a distance d =9.00 cm as in Figure P5.66b. Neglecting any energy losses during the collision, find (a) the speed of the ball just as it touches the spring and (b) the force constant of the spring.
18. Auto companies frequently tests the safety of the automobiles by putting them through crash tests to observe the integrity of the passenger compartment. If a 1000 kg car is sent down a cement wall with a speed of 14 m/s and the impact brings it to a stop in 8.00 x 10^-2 s, with what average force is it brought to rest? *Use g=9.8 a. 145 000 N b. 212 000 N c. 315 000 N d. 175 000 N e. 423 000 N
A 1.00-kg object slides to the right on a surface having a coefficient of kinetic friction 0.250 (Fig. P8.62a). The object has a speed of vi = 3.00 m/s when it makes contact with a light spring (Fig. P8.62b) that has a force constant of 50.0 N/m. The object comes to rest after the spring has been compressed a distance d (Fig. P8.62c). The object is then forced toward the left by the spring (Fig. P8.62d) and continues to move in that direction beyond the spring's unstretched position. Finally, the object comes to rest a distance D to the left of the unstretched spring (Fig. P8.62e). Find (a) the distance of compression d, (b) the speed vat the unstretched posi-tion when the object is moving to the left (Fig. P8.624), and (c) the distance D where the abject comes to rest. Figure P8.62
You hold a slingshot at arms length, pull the light elastic band back to your chin, and release it to launch a pebble horizontally with speed 200 cm/s. With the same procedure, you fire a bean with speed 600 cm/s. What is the ratio of the mass of the bean to the mass of the pebble? (a) 19 (b) 13 (c) 1 (d) 3 (e) 9
A ball of mass m = 1.80 kg is released from rest at a height h = 65.0 cm above a light vertical spring of force constant k as in Figure P5.64a. The ball strikes the top of the spring and compresses it a distance d = 9.00 cm as in Figure P5.64b. Neglecting any energy losses during the collision, find (a) the speed of the hall just as it touches the spring and (b) the force constant of the spring.
You hold a slingshot at arms length, pull the light elastic band back to your chin, and release it to launch a pebble horizontally with speed 200 cm/s. With the same procedure, you fire a bean with speed 600 cm/s. What is the ratio of the mass of the bean to the mass of the pebble? (a) 19 (b) 13 (c) 1 (d) 3(e) 9
Math Review Solve the two equations mi + MVi = mf + MVf and i Vi = (f Vf) for (a) f and (b) Vf if m = 2.00 kg, i = 4.00 m/s, M = 3.00 kg, and Vi = 0. (See Section 6.3.)
A net force along the x-axis that has x-component Fx = -12.0 N + (0.300 N/m2)x2 is applied to a 5.00 kg object that is initially at the origin and moving in the -x-direction with a speed of 6.00 m/s. What is the speed of the object when it reaches the point x = 5.00 m?
A dart gun contains a spring of spring constant k = 17 N/m which is used to fire a dart of mass m. The dart leaves the gun at a speed of v = 6.8 m/s after the spring is compressed 1 cm. part A- What is the weight, Fg in Newtons, of the dart? part B- What is the weight, Fg in Newtons, of the dart? part C- What is the weight, Fg in Newtons, of the dart?
The two dynamics carts, one single cart of mass 1.0 kg, the other a double cartof mass 2.0 kg, each with essentially frictionless wheels, are in contact and at rest. The compressionspring on the single cart is suddenly released, causing the cart to exert an average force of 2.0 N [E] onthe double cart for 0.50 s Q1. . During the time interval that the springs acts ont the double cart, the force exerted by the double carton the single cart isa) 2.0 N [W] b)2.0 N [E] c) 0.0 N d) 4. 0 N [W]e) 4.0 N [E] Q2. . During the spring interaction, the net force acting on the single cart isa) 4. 0 N [W] b) 2.0 N [E]c) 2.0 N [W] d) 4.0 N [W]e) zero Q3.During the interaction, the acceleration of the double ca rt isa) 0. 33 m/?2 [E] b) 3.0 m/?2[E]c) 1.0 m/?2[E] d) 0.50 m/?2[E]e) 2.0 m/?2[E]
1. An object of mass M = 2, 0 kg is attached to a spring of elastic constant k = 50 N/m which is compresseda distance d = 20 cm and then released from rest, Fig. 1(a). (a) Find the velocity of the object when ithas passed from the point where the spring is relaxed and the spring is stretched a distance of 10 cm. Assume that the massis moving horizontally, on a frictionless surface. (b) Show, from Hooke's law, that the functionx(t) = Acos(ωt + φ) is a possible solution for the motion of this block. Determine the constants of this function(A, ω, and φ) and use it to find out how long it takes the mass to go from the starting point with the spring compressed by20 cm to the point where the spring is stretched by 10 cm. (c) Write an equation for the velocity as a function oftime, using the same denition of t = 0 as in part (b). Use this equation to find the velocity (magnitudeand direction) when time is t = 3T/4 where T is the period of motion of the mass in the spring.
A dart gun contains a spring of spring constant k = 17 N/m which is used to fire a dart of mass m. The dart leaves the gun at a speed of v = 3.5 m/s after the spring is compressed 1 cm. What is the weight, Fg in Newtons, of the dart?

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