R Figure 9.21 (Conceptual Example 9.12) When a projectile explodes into several fragments, the center of mass of the system made up of all the fragments follows the same parabolic path the projectile would have taken had there been no explosion.

Q: Balls A and B having the same mass of 2 kg experience a direct central impact. Prior to the impact,…

A: Given: mA = mB=2 kguA = 4 m/s  (right)uB=0m/simpact (collision)  : pefectly elastic

Q: A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing…

A: (a) The magnitude of linear impulse experienced by the passenger during the car's acceleration is…

Q: A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing…

A: Given: mass of passenger, m= 72 kg Initial speed= 0 m/s Final speed= 5.6 m/s Time= 0.818 s

Q: A bullet of mass m = 8 g is fired into a block of mass M 8) edge of a table of height h = 1 m, as…

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Q: A ballistic pendulum is a device that can be made to measure projectile velocity. The pendulum is…

A: We have to solve this question in two parts- First, you use conservation of momentum just before and…

Q: A ball moving to the right at 22.0m/s overtakes a second ball moving in the same direction at a…

A: Initial velocity of ball 1 u1=22 m/s Initial velocity of ball 2 u2=10 m/s Let m is the mass of ball…

Q: 16. A shell fired from the ground explodes into two fragments A and B somewhere before the highest…

A: When a shell is fired from the ground

Q: released from rest at the top of a frictionless track 2.50 m above the top of the table. It then…

A: We know that the law of conservation of energy is given as  mgh = 12mv2 We also know that the final…

Q: A system consists of four particles located as shown. Find the x and y coordinates of the center of…

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Q: A ball of mass m is moving with a velocity v towards a rigid vertical wall. After striking the wall,…

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Q: A shell is shot with an initial velocity vo of 21 m/s, at an angle of 00 = 57° with the horizontal.…

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Q: A 5.50 g bullet moving at 980 m/s strikes a 510 g wooden block at rest on a frictionless surface.…

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Q: A 5.50 g bullet moving at 640 m/s strikes a 700 g wooden block at rest on a frictionless surface.…

A: Law of conservation of momentum is the total momentum of two objects before their collision is equal…

Q: Determine the coordinates in which a particle of mass m4 = 6gr must be placed so that the center of…

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Q: A stone is dropped at t = 0. A second stone, with 2 times the mass of the first, is dropped from the…

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Q: A projectile is launched into the air at an angle of 35° above the hori- zontal at 40 m/s. At its…

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Q: Three point masses 4kg, 2kg and 6 kg lie at (2,-4), (0,2) and (3,-4) respectively. Calculate the…

A: Given The mass at first point is m1=4 kgThe mass at second point is m2= 2kgThe mass at third point…

Q: A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing…

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Q: Just after the explosion, what is the magnitude of the velocity of the third piece? m/s (b) What is…

A: velocity of center of mass will be same = 0  before and after  just collision , because explosion is…

Q: The velocity of an object with mass m1 = 5kg is V1 = (4i + 7j) m / s and the speed of an object with…

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Q: A cannot shoots a shell at an initial velocity v 1  of 25 m/s, at an angle of 60° with respect to…

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Q: A 78-kg fisherman in a 115-kg boat throws a package of mass m = 15 kg horizontally toward the…

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Q: Three balls with masses of 3.0 kg, 1.0 kg, and 2.0 kg are located at coordinates (5.5m,5.5m),…

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Q: A 6.70 g bullet moving at 683 m/s strikes a 710 g wooden block at rest on a frictionless surface.…

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Q: A body of mass 2.0 kg makes an elastic collision with another body at rest and continues to move in…

A: Given:  mass of first body, m = 2 kg  initial velocity of first body = u  initial velocity of second…

Q: A stone is dropped at t = 0. A second stone, with 5 times the mass of the first, is dropped from the…

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Q: A 4.20 g bullet moving at 894 m/s strikes a 780 g wooden block at rest on a frictionless surface.…

A: Given data The mass of the bullet is given as mb = 4.20 g. The initial velocity of the bullet is…

Q: You’re playing pool and you line up a shot on the 3 ball. You want the 3 ball to be deflected by…

A: Given, Using the conservation of momentum in the horizontal direction,

Q: Your goal is to launch a pumpkin at a target. The launch pad is 2 m off the ground. The target is 1…

A: Consider the initial component of the velocity in the x and y direction be vxi and vyi,…

Q: A shell with mass 4m is moving with ahorizontal speed of 40 m/s at a height of 100 m. At this…

A: We use momentum conservation and kinematic equations to get the required.

Q: Hockey puck B rests on a frictionless ice surface, and is struck by a second A disc, which was…

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Q: Two blocks with masses 6m and 9m are on a collision course with the same initial speeds V;. The…

A: Answer               V6m,f = 1.4 vi               V9m,f = 0.6 vi

Q: A dart of mass m = 10.0 g is fired at and sticks into a block of mass M = 85.0 g that is initially…

A: Given Dart mass (m)                                     = 10.0 g  Block mass (M)…

Q: Determine the coordinates in which a particle of mass m4 = 6g must be placed so that the center of…

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Q: A spaceship, with a mass of 10000 kg, is traveling at a speed of v0 = 300 m/s. Suddenly, the engine…

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Q: A 0.00600 kg bullet traveling horizontally with speed 1.00  103 m/s strikes a 16.0 kg door,…

A: Given, a m = 0.00600 kg bullet travelling horizontally with speed v0=1.00×103 m/s strikes a M = 16.0…

Q: A 1.29 kg particle has the xy coordinates (-1.25 m, O.116 m), and a 5.32 kg particle has the xy…

A: m1=1.29 kg is at -1.25 m, 0.116 mm2=5.32 kg is at 0.300 m, -0.345 mLet m3=2.97 kg is at x , yThe…

Q: A stone is dropped at t=0. A second stone, with 3 times the mass of the first, is dropped from the…

A: Mass of one stone = m1Mass of second stone = 3m2

Q: A stone is dropped at t = 0. A second stone, with 4 times the mass of the first, is dropped from the…

A: a) The center of mass’s (C.O.M) position can be represented as, Here, m, y, u, g, and t represent…