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- Determine the unknown velocity value. Assume that the collisions occur in an isolated system.Two asteroids strike head-on: before the collision, asteroid A AmA = 7.5 * 10 3.3 kms 12 kgB Ge has velocity and asteroid B AmB = 1.45 * 10 1.4 kms 13 kgB A has velocity in the opposite direction. If the asteroids stick together, what is the velocity (magnitude and direction) of the new asteroid after the collision?An object of mass 3M, moving in the +x direction at speed Up. breaks into two pieces of mass M and 2M as shown in V, = ? 2M the figure. 3M If 0, = 65.0" and 0, = 25.0. determine the final velocities v %3D and vz of the resulting pieces in terms of tg. 1.1 Incorrect 1.49 Incorrect
- I need handwritten only otherwise I'll dislikeQ.1 The 2.5 kg ball A moving with a velocity of vA= 8.0 VA = 8 m/s %3D m/s collides with the 1.5 kg ball B which has a velocity of vg= 6.0 m/s. The directions of velocities are as shown. Knowing that the motions are on a A horizontal plane, coefficient of restitution between the two balls is e=0.85 and assuming no friction, determine: a) The velocities of the balls immediately after VB = 6 m/s %3D impact. b) The loss of energy during the impact. 40° Hint: V82 is along the line of impact? Two identical pucks collide elastically on an air hockey table as shown above. Puck 1 was originally at rest; puck 2 has an incoming speed of 9.00 and m S scatters at an angle of 40° with respect to its incoming direction. What is the velocity (magnitude and direction from 0°) of puck 1 after the collision? 15 m S at 230
- Sphere m1 with a mass of 1.0 kg collides with m2, which also has a mass of 1.0 kg, in an elastic collision. If v2f= 15 m/s and θ2= 40°, determine v1i. (Hint: An elastic collision requires that the after-collision angle between the two velocities must be 90°.)A cannon of mass 6.79 x 103 kg is rigidly bolted to the earth so it can recoil only by a negligible amount. The cannon fires a 85.6-kg shell horizontally with an initial velocity of 508 m/s. Suppose the cannon is then unbolted from the earth, and no external force hinders its recoil. What would be the velocity of a shell fired from this loose cannon? (Hint: In both cases assume that the burning gunpowder imparts the same kinetic energy to the system.)A 1.90 kg "particle" traveling with velocity = (4.0 m/s i collides with a 3.20 kg "particle" traveling with velocity = (2.3 m/s )j. The collision connects the two particles. What then is their velocity in (a) unit-vector notation and as (b) a magnitude and (c) a positive (counterclockwise) angle measured from the +x axis? (a) Number i (b) Number (c) Number i Units Units j Units
- 15.lf two objects collide and one is initially at rest, is it possible for both to be at rest after the collision? 请输入答案Q.3) A 5-kg model rocket is launched vertically and reaches an altitude of 100 m with a speed of 40 m/s at the end of powered flight, time t=5 s. As the rocket approaches its maximum altitude it explodes into two parts of masses ma=1.7 kg and mB=3.3 kg. Part A is observed to strike the ground 50 m west of the launch point at t=6 s. Determine the position of part B at that time.A firecracker explodes into four equal pieces (see figure below). Given the magnitude and direction of the velocity for each piece and the coordinate system shown, determine the x and y velocity components for each piece of the firecracker. (Assume the following: ₁-24.10 m/s. 1₂-9.90 m/s. 1₂-14.50 m/s. Val-21.50 m/s, -42°, and -15%3 V3v = VIV VAK VAY Need Help? m/s m/s mys m/s DETAILS Y NOTES ASK YOUR TEACHER PRACTICE ANOTHER Consider the two vectors A=-57 +31 and =-21-61. (a) Find the vector A.B. (b) Find the vector (c) Find the quantity (A+B Need Help? (d) Find the quantity (A - B₁. (e) Find the directions of the vectors AB of A+ below the-xaxis above the-xaxis