A 20 kg mass is moving at 40 mph when it collides with a 50 kg object moving in theopposite direction at 2 mph. After colliding, the first object rebounds at 30 mph.(a) What is the final velocity of the second object?(b) Is the collision, elastic, inelastic or totally inelastic?

Q: If two objects collide in a perfectly elastic collision where the first object is moving at 10m/s…

A: Given that:- Both object has same mass. And velocity of object1 before collision is 10m/s and second…

Q: A basketball with a mass of 0.62 kg falls vertically to the floor where it hits with speed of -6…

A:

Q: How much of a single-stage rocket that is 100,000 kg can be anything but fuel if the rocket is to…

A: Given: The mass of rocket is me=1000000 kg. The exhaust velocity is ve=2.20X103 m/s. The initial…

Q: A ball of mass 3 kg is travelling to the right at 4m/s when it strikes a secondball of mass 10kg and…

A:

Q: A girl weighing 490 N jumps from a tree, and her center of mass falls a vertical distance of 1.80 m.…

A:

Q: How is an elastic collision different from an inelastic collision if momentum is conserved in both?…

A: The momentum is conserved in elastic as well as in inelastic collisions.

Q: Starting from Newton’s second law of motion, prove that impulse imparted on an object is equal to…

A: From Newton's laws of motion we need to prove that impulse imparted on an object is equal to the…

Q: Two billiard balls of equal mass undergo a perfectly elastic head-on collision. If one ball's…

A: The formula for the final velocities of the balls undergo elastic collision are:

Q: A girl weighing 470 N jumps from a tree, and her center of mass falls a vertical distance of 2.10 m.…

A: weight of girl (w) = 470 N distance moved in vertical direction (d) = 2.10 m

Q: How far will a stationary block of wood of mass 30 kg rise (after an elastic impact) as an 80g…

A:

Q: In which is momentum conserved: an elastic collision or inelastic collision?

A: Write the expression for momentum.

Q: Nate would often don a protective suit of Bounce-Tex, which he invented, and after working up a high…

A:

Q: In a ballistic pendulum experiment, a small marble is fired into a cup attached to the end of a…

A: Mass of marble = m = 0.0215 kg Mass of pendulum = M = 0.250 kg Initial speed of marble = v = 5.05…

Q: Two identical, hard, spherical balls X and Y each of mass m, are travelling in opposite directions,…

A: Two identical hard spherical balls X and Y each of mass m, are travelling in opposite direction with…

Q: A 0.5 KG ball moving at 5m/s strikes a wall and rebounds in the opposite direction with the speed of…

A: The expression for find average force acting up on the ball is I=∆pF∆t=mvf-viF=mvf-vit

Q: Two balls moving in opposite directions have velocities v1ix= 14ˍm/s and v2ix = -8.4ˍm/s . If their…

A: Write an expression velocity of the first mass after elastic collision

Q: Two balls approach each other with equal speeds of 20 m/s. One ball has a mass of 5.0-kg and the…

A: The initial momentum of the first ball is, p1F=m1u1=10 kg20 m/s=200 kg.m/s The initial momentum of…

Q: In Section 1.4, we considered the collision of a karate expert’s hand with a concrete block. Based…

A:

Q: In a football game, a 90 kg receiver leaps straight up in the air to catch the 0.42 kg ball the…

A: According to the conservation of momentum,

Q: An elastic collision is one in which the total kinetic energy of the system is not the same before…

A: In an elastic collision both momentum as well as kinetic energy of the system remains conserved.…

Q: A tennis player receives a shot with the ball (0.060kg) traveling horizontally at 50 m/s, and…

A: Impulse  is described as the effect of force acting over time which in turn change the momentum of…

Q: Two billiard balls of equal mass undergo a perfectly elastic head-on collision. If one ball's…

A:

Q: The joint velocity after the collision Two blocks of mass 2.1 kg and 2.2 kg approach each other on a…

A:

Q: Water falls without splashing at a rate of 0.250 L/s from a height of 2.60 m into abucket of mass…

A:

Q: Two billiard balls of equal mass undergo a perfectly elastic head-on collision. If the speed of ball…

A:

Q: In an inelastic collision involving an isolated system, the final total momentum is exactly the same…

A: In an inelastic collision, the total energy of the system is not conserved but the total momentum of…

Q: A car of mass 2500 kg and moving at 3 m/s, northeast collides with a 3800 kg car moving northwest at…

A: Given: m1 =2500 kgu1 = 3 m/sm2 = 3800 kgu2 = 2.5 m/s

Q: The momentum of an isolated system is conserved in neither ofelastic or inelastic collisions. in…

A: Let's check each option one by one 1.  The momentum of an isolated system is conserved in neither of…

Q: In elastic collision, consider a particle with mass, m1=200 gm strikes with velocity, Vi1 to another…

A: An elastic collision is one in which the total kinetic energy of the system before the collision and…

Q: Mass A moving at 4.5 m/s hits mass B, which is initially at rest. Mass A is 5.2 kg while mass B is…

A:

Q: When the objects stick together after they collide, the collision is called perfectly inelastic.…

A: Introduction: A collision is an event in between two objects where the transfer of momentum and…

Q: You are lawn bowling and bowl a ball with a speed of 5.82 m/s. Unfortunately, your ball hits a large…

A: Using conservation of momentum,

Q: The joint velocity after the collision Two blocks of mass 0.1 kg and 0.2 kg approach each other on a…

A: Write the given values with suitable variables. m1=0.1 kgm2=0.2 kgu1=0.4 m/su2=-1 m/s Here, m1, m2,…

Q: Why is energy conserved in an elastic collision but not in an inelastic collision?

A: Elastic collision is defined as the one in which there is no loss of kinetic energy in the…

Q: What is the cause of increase in mass of the system during an inelastic collision?

A: An inelastic collision is a collision in which there is a loss of kinetic energy while the momentum…

Q: In what type of collision was there a decrease in the total kinetic energy? Discuss what happened to…

A:

Q: Ball A has a mass of 3 kg and is moving with a velocity of 8 m/s when it males a direct collision…

A: Answer

Q: What is true about the total momentum before and after the collision?

A: According to conservation of momentum The total momentum is conserved.

Q: In a perfect inelastic collision, the momentum is conserved even though the KE of the colliding body…

A: perfectly inelastic collision is the exterme case of collision in which kinetic energy is not…

Q: Two asteroids strike head-on: before the collision, asteroid A (ma = 7.5 × 1012 kg) has velocity 3.3…

A: Let uA and uB be the initial velocity of Asteroid A and B respectively.Let v be the final combined…

Q: Two billiard balls of equal mass undergo a perfectly elastic head- on collision. If the speed of one…

A: In a perfectly elastic collision, Using momentum conservation Pi = Pf m1V1i + m2V2i = m1V1f + m2*V2f…

Q: A spaceship’s orbital maneuver requires a speed increase of 1.20 x 10^3 m/s. If its engine has an…

A:

Q: In a ballistic pendulum experiment, a small marble is fired into a cup attached to the end of a…

A: Given: Mass of marble m= 0.0235 g Mass of pendulum M=0.250 kg Initial velocity of marble before…