3/179 At time t = 0, the velocity of cylinder A is 0.3 m/s down. By the methods of this article, determine the velocity of cylinder B at time t = no mechanical interference and neglect all friction. 2 s. Assume 4 kg 5 kg В А
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- since the initial mass is m, the first piece m1 = m/4, shouldn't the other two masses sum: m2 + m3 = (3/4)m? (mass = positive scalar) Perhaps solving by using conservation of momentum, initial momentum = 0, defining the ecuations for final momentum on x and y axis, and solving from there? thanksYou hold glider AA of mass 0.125 kgkg and glider BB of mass 0.375 kgkg at rest on an air track with a compressed spring of negligible mass between them. When you release the gliders, the spring pushes them apart. Once the gliders are no longer in contact with the spring, glider AA is moving to the right at 0.600 m/sm/s. What is the velocity (magnitude and direction) of glider BB at this time? Express your answer with the appropriate units. Enter positive value if glider BB is moving to the right and negative value if glider BB is moving to the left. b) Glider AA moving to the right at 0.600 m/sm/s then collides head-on with a third glider CC of mass 0.750 kgkg that is moving to the left at 0.400 m/sm/s. After this collision, glider CC is moving to the left at 0.150 m/sm/s. What is the velocity (magnitude and direction) of glider AA after this collision? Express your answer with the appropriate units. Enter positive value if glider AA is moving to the right and negative value if…To lift off from the Moon, a 9.50 105 kg rocket needs a thrust larger than the force of gravity. If the exhaust velocity is 4.25 103 m/s, at what rate does the exhaust need to be expelled to provide sufficient thrust? The acceleration due to gravity on the Moon is 1.62 m/s2.
- A rocket is launched into deep space, where gravity is negligible. In the first second, it ejects 1/160 of its mass as exhaust gas and has an acceleration of 15.5 m/s^2 What is vg, the speed of the exhaust gas relative to the rocket?Inelastic Collision Calculate the combined velocity of the two gliders after collision collision from the v1i and v2i from values below using the attached equation. M1 : 195.2g ± 0.1g M2: 182.8g ± 0.1g M1 (needle) M2 (wax) Intial Velocity 0.28m/s Intial Velocity 0.0m/s Final Velocity 0.15m/s Final Velocity 0.15m/sA 5-kg model rocket is launched vertically and reaches an altitude of 100 m with a speedof 40 m/s at the end of powered flight, time t=5 s. As the rocket approaches its maximumaltitude it explodes into two parts of masses mA=1.7 kg and mB=3.3 kg. Part A is observed tostrike the ground 50 m west of the launch point at t=6 s. Determine the position of part B atthat time.
- (I) In a ballistic pendulum experiment, projectile 1 resultsin a maximum height h of the pendulum equal to 2.6 cm.A second projectile (of the same mass) causes the pendulumto swing twice as high h2=5.2 cm, The second projectilewas how many times faster than the first?A 90.0 kg fullback running 36.9° north of east with a speed of 5.00 m/s is tackled and held onto by an 60.4 kg opponent running north with a speed of 5.34 m/s. What is the magnitude of the velocity of the players immediately after the tackle?If the foam ball has a mass of 0.025 kg, what would be its velocity 224 milliseconds after the ball is released? Is this a physically realistic system, or are your answers too big or too small to make sense?
- A system of four particles moves along one dimension. The center of mass of the system is at rest, and the particles do not interact with any objects outside of the system. Find the velocity ?4v4 of particle 4 at ?1=3.07 st1=3.07 s given the details for the motion of particles 1, 2, and 3. particle 1:?1=1.33 kg,?1(?)=(6.97 m/s)+(0.321 m/s2)×?particle 1:m1=1.33 kg,v1(t)=(6.97 m/s)+(0.321 m/s2)×t particle 2:?2=3.53 kg,?2(?)=(8.27 m/s)+(0.315 m/s2)×?particle 2:m2=3.53 kg,v2(t)=(8.27 m/s)+(0.315 m/s2)×t particle 3:?3=3.89 kg,?3(?)=(7.43 m/s)+(0.447 m/s2)×?particle 3:m3=3.89 kg,v3(t)=(7.43 m/s)+(0.447 m/s2)×t particle 4:?4=4.55 kgA man of mass m 1 = 70.0 kg is skating at v1 = 8.00 m/sbehind his wife of mass m 2 = 50.0 kg, who is skating at v2 = 4.00 m/s. Instead of passing her, he inadvertently collideswith her. He grabs her around the waist, and they maintaintheir balance. (a) Sketch the problem with before - and - afterdiagrams, representing the skaters as blocks. (b) Is the collisionbest described as elastic, inelastic, or perfectly inelastic? Why?(c) Write the general equation for conservation of momentumin terms of m 1, v 1, m 2, v 2, and final velocity vf . (d) Solve themomentum equation for vf . (e) Substitute values, obtaining thenumerical value for vf , their speed after the collision.What is the magnitude and direction of the resultant momentum of a system of two particles with these masses and velocities; 3.75 kg moving north at 5.6 m/s and 4.2 kg moving northwest at 2.3 m/s?