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

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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10:07 1 LTE 앙+ Practice: Newton's 2nd Law Answer the following questions. Make sure to show all work to receive credit. You may need a separate sheet of paper. 1. With yhat fgrce will a car hit a tree if the car has a mass of 3,000 kg and an acceleration of 2 m/s? m= 3000 kg a= 2 m/s2 3000 * 2 = 6000 N 2. What force would be needed to make a 10 kg bowling ball accelerate down the alleyway with an acceleration of 3 m/s? 30N! 3. What would be the mass of a truck if it is accelerating at a rate of 5 m/s and hits a parked car with a force of 14,000 N? ! 4. What is the acceleration of a softball if it has a mass of 0.50 kg and hits the catcher's glove with a force of 25 N? Add Text Here! 5. How much does a suitcase weigh if it has a mass of 22.5 kg? Add Text Here! 6. What would be the mass of a rock falling from the sky if it hits the ground with a force of 147 N? Add Text Here! 7. Find the acceleration of the stack of books pictured below if the stack has a total mass of 1.5 kg. Add Text…
Sam, whose mass is 74.0 kg, takes off across level snow on his jet-powered skis. The skis have a thrust of 220.0 N and a coefficient of kinetic friction wtih the snow of 0.07. Unfortunately, the skis run out of fuel after only 11.5 seconds. What Sam's top speed (in m/s) assuming that the acceleration due to gravity is 9.80 m/s2? How far (in m) has Sam traveled when he finally coasts to a stop?
Mia Kneezhirt jumps from a second story dorm room (h = 7.91 m) to the ground below. Upon contact with the ground, she allows her 62.4-kg body to come to an abrupt stop as her center of gravity is displaced downwards a distance of 89.2 cm. Calculate the average upward force exerted by the ground upon Mia's fragile body. PSYW
A 1.72 kg box falls from a height of 2.19 m onto a large capacity spring scale with a spring constant of 1.75 × 105. N compression, the reading on the scale is m O 1720 N. O 37.0 N. O 7180 N. O 3590 N. O 12.8 N. At its greatest
An inventive child named Nick wants to reach an apple in a tree without climbing the tree. Sitting in a chair connected to a rope that passes over a frictionless pulley (see figure below), Nick pulls on the loose enc of the rope with such a force that the spring scale reads 310 N. Nick's true weight is 310 N, and the chair weighs 160 N. Nick's feet are not touching the ground. Use g=9.8 m/s². (b) Find Nick's acceleration, using upward as positive. m/s² (c) Find the magnitude of the force Nick exerts on the chair. (d*) Instead Nick hands the rope with the scale to his friend Barney, who stands on the ground. Barney pulls on the rope so that the spring scale again reads 310 N. What is Nick's acceleration now, again using upward as positive.
Jane is on a tree branch 4.7 m above the ground. She sees Tarzan, about to beeaten by a hungry panther. Jane uses a vine to swing down, grab Tarzan, and then swing upinto another tree, out of safety. What is the highest tree branch Jane can carry Tarzan to?Jane has a mass of 55 kg, and Tarzan has a mass of 70 kg.
4. A 70 Kg athlete leaps straight up into the air from a trampoline with an initial speed of 7.0 m/s. Take y = 0 to be the position the athlete leaves the trampoline and ignore air resistance. how shoqes di nwob edhW (1 912 a. What is the maximum height the athlete reaches? Step 1) Draw a picture and list the value of all variables at the athlete's starting position and ending position. .£q912 ni nolicups or otni gulą of been woy z9ulev ri telual 10 11J (S 9912 Step 2) Is energy conserved? Yes = write the conservation of energy equation. No write the equation for non- conserved work. 102 (E 9912 nobil yd snob how s Step 3) Plug in values to the equation from step 2 and solve for maximum height. srij 11 m 0.00 to trigisil s of brucny ont moit siqaq to llut 101 Serler abin Toravste srit gnol wor 1010 smit tot svioz uoy tel lliw tens potten b. Solve this problem with kinematic equations and confirm the answers are the same. 0.000,21 A (8 21 (1 q912 Aitnsbl (S q912 smils sris tol svio2 (8…
A7. Consider a spring-mass system as shown in the diagram, which consists of 1.0 kg block held by three identical springs with force constant k = 100 Nm', as shown in Fig. A7. Fig. A7 (a) Consider the block being displaced by a distance x m to the left. Determine the net force (both magnitude and direction) acting on the block by the springs. (b) The block is then released from rest. Show that the block performs simple harmonic motion, and determine the frequency of oscillation.
You decide to launch a rockof mass m1 using a tube containing a spring of spring constant k. When the spring is at equilibrium, it fills the entire tube. To launch a rock, you push it into the tube, compressing the spring a distance d, at which point a locking mechanism holds the spring(and the rock) in place. When the lockis released, the spring pushes the rock to the end of the tube where it will be launched into the air. The coefficient of kinetic friction between the rock and the inside surface of the tube is given by μk. You setup the launcher at an angle q above the horizontal with the spring end buried such that when the spring is compressed and locked, the rock is at ground level. a)Find the work done on the rock by non-conservative forces as it moves from the point of release to the end of the tube. Express your answer in terms of μk, m1, q, d, and any necessaryconstants. b) Find the velocity of the rockvfas it exits the launch tube in terms of μk, k, m1, q, d, and any…
A 5.35kg block is pulled across a floor by a 23.71 N force. The coefficients of static and kinetic friction are 0.4 and 0.2. What is the speed of the block after 1.95 m?
A 2414kg car is going up the Amerat hill, at angle 7.8, with 4 people inside the car each of 41kg. The car suspension provides 1326N of lift, and it is accelerating up at 7m/s2. The road provides u=0.4. What is the force provided by the engine? If needed, use g=9.81m/s² Answer: 22975 N The correct answer is: 30970.3 N
A 1695 kg car accelerates from 4.0 m/s for 3.9 s and reaches a velocity of 18.0 m/s. Ignoring friction, what is the applied force from the engine? Input your answer with 1 decimal place.

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