2)A shell with mass 4m is moving with a horizontal speed of 40 m/s at a height of 100 m. At this instant itexplodes and splits into two pieces of equal masses. One of the pieces has zero speed after the explosionand lands directly below the point of explosion. Take the explosion time as t=0. (Ignore the air resistance).a)-Where does the other piece land?b)- What is the velocity vector of the center of mass of the two fragment system 2 s after the explosion?c)- What is the position vector of the center of mass of the two fragment system 2 s after the explosion?

a) Initial mass of the shell=4m Initial speed of the shell, u=40 m/s Height of the shell=100 m…

Answered: 2) A shell with mass 4m is moving with…

Similar questions

Current Attempt in Progress A vessel at rest at the origin of an xy coordinate system explodes into three pieces. Just after the explosion, one piece, of mass m, moves with velocity (-35 m/s) i^and a second piece, also of mass m, moves with velocity (-35 m/s) j^. The third piece has mass 3m. Just after the explosion, what are the (a) magnitude and (b) direction (as an angle relative to the +x axis) of the velocity of the third piece? (a) Number i (b) Number Units Units
Problem 3: A particle with mass ma = 3.00 kg is located at ra = (2.50 i + 3.50 j) m, and a second particle of mass m2B = 5.00 kg is located at rB = (1.50 i - 3.00 j) m. Find the location of the center of mass of the system relative to the point (1,1).
2) Particle 1 of mass 2.0 g is moving in the positive x-direction at 15 m/s and strikes particle 2 of mass 6.0 g which is at rest. If particle 1 is deflected upward at an angle of 20 degrees and speed 6 m/s after the collision A)What is the velocity of particle 2? B)What is the coefficient of elasticity?
R:38)
In a game of billiards, the cue ball is traveling eastward when it strikes a second ball that is initially at rest. After the collision, the cue ball moves at 4.65 m/s, 25.0° south of east, and the second ball's speed is 3.11 m/s. At what angle (north of east) does the second ball travel? Assume each ball has a mass of 162 g. Submit A Tries 0/5 What was the speed of the cue ball prior to the collision? Tries 0/5 Is the kinetic energy of the colliding balls conserved? (Ignore the rotation of the balls.) Correct: No Incorrect Yes
A fireworks rocket is launched vertically into the night sky with an initial speed of 41.6 m/s . The rocket coasts after being launched, then explodes and breaks into two pieces of equal mass 2.20 s later. If each piece follows a trajectory that is initially at 43.0 degrees to the vertical, what was their speed immediately after the explosion? What is the velocity of the rocket's center of mass before the explosion? What is the velocity of the rocket's center of mass after the explosion? What is the acceleration of the rocket's center of mass before the explosion? What is the acceleration of the rocket's center of mass after the explosion?
Determine the coordinates of the center of mass of the three-particle system below. The masses are as follows, m1=3.0 kg, m2 = 4.0 kg and m3 = 8 kg. (Use xcm= (x1m1+ x2m2+ ...xnmn)/(m1+m2+...mn) and a similar formula for y.) Assume ys= 2 m and xs=2 m.
The vector position of a 3.45 g particle moving in the xy plane varies in time according to i, - (3i + 35)t + 2jr? where t is in seconds and is in centimeters. At the same time, the vector position of a 5.20 g particle varies as i,- 31 - zir? - 6jt. (a) Determine the vector position (in cm) of the center of mass of the system at t = 2.90 s. x cm cm (b) Determine the linear momentum (in g cm/s) of the system at t = 2.90 s. 9. cm/s (e) Determine the velocity (in cm/s) of the center of mass at t = 2.90 s. cm/s (4) Determine the acceleration (in cm/s) of the center of mass at t = 2.90 s. cm/s? (e) Determine the net force (in µN) exerted on the two-particle system at t = 2.90 s. UN net
5) A block of mass of 2 kg, moving on a frictionless surface with a velocity of 2 m/s to the right, collides with a block of mass 3 kg approaching the first block at 5 m/s, as shown in the figure. After the collision, the 3 kg block recoils with a velocity of 0.6 m/s. Find the final velocity and direction of motion for the 2 kg block. 5 m/s 2 m/s 3 kg 2 kg