number 7 please 5. A 600 g air-track glider collides with a spring at one end of the track. The figures show theglider's velocity and the force exerted on the glider by the spring. How long is the glider incontact with the spring?J=APV (m/s)F, (N)3.36I(8)(s)<-3ArAt: 0.26. A 20 g ball of clay travelling east at 2.0 m/s collides with a 30 g ball of clay travelling 30° south ofwest at 1.0 m/s. What are the speed and direction of the resulting 50 g blob of clay?M, Vixit Mz Vizx= (MitMz)Vf X(.02)(2)+(0.03)6icas30) = (0.05NFX300-47°helow XaxasUfx = 0.280-47below(103)-1sin30)= (0-05)urYJro.3) (0.2$)*%3DVAY= -0.3 MIS7. A 20 kg wood ball hangs from 2.0 m long wire. The maximum tension the wire can withstand-without breaking is 400 N. A 1.0 kg projectile travelling horizontally hits and embeds itself in thewood ball. What is the greatest speed this projectile can have without causing the wire tobreak?8. A rocket in deep space has an exhaust-gas speed of 2000 m/s. When the rocket is fully loaded,the mass of the fuel is five times the mass of the empty rocket. What is the rocket's speed whenhalf the fuel has been burned? M : Mft NRMenfor Ź(5mR)+MRTuclMRMi- SmR Maueit MR=6mR-1V = Vexdn f)Mi2000% h Rogh- 1078%s

Name: number 7 please 5. A 600 g air-track glider collides with a spring at
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Description: number 7 please 5. A 600 g air-track glider collides with a spring at one end of the track. The figures show theglider's velocity and the force exerted on the glider by the spring. How long is the glider incontact with the spring?J=APV (m/s)F, (N)3.3

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5. A 600 g air-track glider collides with a spring at one end of the track. The figures show the glider's velocity and the force exerted on the glider by the spring. How long is the glider in contact with the spring? J=AP F(N) LA Mve -Muü =t(36) 36 16) (16)(3=3)=2At(36N) At:0.2 6. A 20 g ball of clay travelling east at 2.0 m/s collides with a 30 g ball of clay travelling 30° south of west at 1.0 m/s. What are the speed and direction of the resulting 50 g blob of clay? M,Vixit My Vüzx= (Mit Mz)VE X (.02)(2)+(0.03)6icas 30) = (0.05NFX Vex 10=47below Xaxis Ufx = 0.28 Y-Pay= PAY (103)-1sin30) = (0-05)urY Uco.3)24 (0.28)? Te = 0.419S %3D VEY - 0.3 MIS 7. A 20 kg wood ball hangs from 2.0 m long wire. The maximum tension the wire can withstand- (). without breaking is 400 N. A 1.0 kg projectile travelling horizontally hits and embeds itself in the wood ball. What is the greatest speed this projectile can have without causing the wire to break?

5. A 600 g air-track glider collides with a spring at one end of the track. The figures show the glider's velocity and the force exerted on the glider by the spring. How long is the glider in contact with the spring? J=AP F(N) LA Mve -Muü =t(36) 36 16) (16)(3=3)=2At(36N) At:0.2 6. A 20 g ball of clay travelling east at 2.0 m/s collides with a 30 g ball of clay travelling 30° south of west at 1.0 m/s. What are the speed and direction of the resulting 50 g blob of clay? M,Vixit My Vüzx= (Mit Mz)VE X (.02)(2)+(0.03)6icas 30) = (0.05NFX Vex 10=47below Xaxis Ufx = 0.28 Y-Pay= PAY (103)-1sin30) = (0-05)urY Uco.3)24 (0.28)? Te = 0.419S %3D VEY - 0.3 MIS 7. A 20 kg wood ball hangs from 2.0 m long wire. The maximum tension the wire can withstand- (). without breaking is 400 N. A 1.0 kg projectile travelling horizontally hits and embeds itself in the wood ball. What is the greatest speed this projectile can have without causing the wire to break?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter6: Momentum, Impulse, And Collisions

Section: Chapter Questions

Problem 71AP: A block with mass m1 = 0.500 kg is released from rest on a frictionless track at a distance h1, =...

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Review. A 60.0-kg person running at an initial speed of 4.00 m/s jumps onto a 120-kg cart initially at rest (Fig. P9.37). The person slides on the carts top surface and finally comes to rest relative to the cart. The coefficient of kinetic friction between the person and the cart is 0.400. Friction between the cart and ground can be ignored. (a) Find the final velocity of the person and cart relative to the ground. (b) Find the friction force acting on the person while he is sliding across the top surface of the cart. (c) How long does the friction force act on the person? (d) Find the change in momentum of the person and the change in momentum of the cart. (c) Determine the displacement of the person relative to the ground while he is sliding on the cart. (f) Determine the displacement of the cart relative to the ground while the person is sliding. (g) Find the change in kinetic energy of the person. (h) Find the change in kinetic energy of the cart. (i) Explain why the answers to (g) and (h) differ. (What kind of collision is this one, and what accounts for the loss of mechanical energy) Figure P9.37
Two gliders are set in motion on a horizontal air track. A spring of force constant k is attached to the back end of the second glider. As shown in Figure P8.48, the first glider, of mass m1, moves to the right with speed v1, and the second glider, of mass m2, moves more slowly to the right with speed v2. When m1 collides with the spring attached to m2, the spring compresses by a distance xmax, and the gliders then move apart again. In terms of v1, v2, m1, m2, and k, find (a) the speed rat maximum compression, (b) the maximum compression xmax, and (c) the velocity of each glider after m1 has lost contact with the spring.