A train car without a roof of mass 20,000 kg is moving on rails without friction with a constant speed of 5 m / s when it starts to rain. Get the speed of the wagon if it collects 2000 kg of water.

Q: Стальной шар весом 40 г, падающий с высоты 2 м на стальную пластину, отскакивает от него на высоту…

A: mass of steel ball m = 40 g = 0.04 kg Assume downward displacement to be negative and upward…

Q: A cart X with a mass of 4 kilogram is initially moving at 5 meters per second. It collided with cart…

A: Since it is given that collision is perfectly inelastic, So according to its properties ,…

Q: In the railroad freight yard, an empty freight car of mass m rolls along a straight level track at…

A: (a) The initial speed of the empty car is, u1=1.2 m/s The initial speed of the loaded car is, u2=0…

Q: A particle of mass 2m and another particle of mass m travel toward each other with the same speeds…

A: Draw the schematic arrangement of the particles as shown below: Initial condition:

Q: An 8,00-kg block of wood sits at the edge of a frictionless table, 2,20 m above the floor. A…

A:

Q: A barbarian in a canoe throws a 4.46_kg spear at 24.1_m/s. If the barbarian and the canoe together…

A: The mass of the barbarian+canoe M=152 kg The mass of the canoe m=4.46 kg Since all are at rest…

Q: A softball of mass 0.200 kg that is moving with a speed 10.3 m/s collides head-on and elastically…

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Q: A 3.0 kg cart moving to the right with a speed of 1.0 m/s has a head-on collision with a 5.0 kg cart…

A:

Q: A 5.6 kg block is travelling rightwards with speed 12.8 m/s. It collides with 3.2 kg which is…

A: mass of first block (m) = 5.6 kg initial velocity of first block (u) = 12.8 msmass of second block…

Q: a 600 gram banana sliding north on a frictionless table at 2.5 meters per second bounces of a 400…

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Q: A cart X with a mass of 4 kilogram is initially moving at 5 meters per second. It collided with cart…

A:

Q: A ball of mass 1.0 kg falls vertically and hits the ground with a speed of 7 m/s and rebounds with a…

A: Mass of the ball is m = 1.0 kg When it hits the ground its speed is v1 = 7 m/s When it rebounds, its…

Q: A baseball of mass 0.15 kg moving horizontally with a momentum of 4.0 kg m/s is struck head-on by a…

A: Answer Given  Mass m = 0.15 kg Momentum p = 4 kg.m/s Impulse = -10 N.s

Q: 0.10 kg ball is thrown straight up into the air with an initial speed of 19 m/s. Find the momentum…

A: Momentum is product of mass and velocity.  P=mv

Q: How much impulse stops a 50-kg carton sliding at 4 m/s when it meets a rough surface?

A:

Q: A car of mass 850 kg moves with a speed of 32 m/s and collides head on with a truck of mass 1300 kg…

A: in this question  we use conservation law of momentum.

Q: A 0.10 kg ball is thrown straight up into the air with an initial speed of 11 m/s. Find the momentum…

A:

Q: Twó čars, each with a mass of 800 kg, collide and stick together. One was initially moving at 90…

A: mass of both car=800 kgm1=m2=800 kgsuppose velocity of car 1:v1=90 kmhv1=90×10003600v1=25 msv2=0 (at…

Q: Two physics students are doing a side competition during a game of bowling, seeing who can toss a…

A:

Q: A ball #1 moving initially with a speed of 7m/s makes an elastic collision with a ball #2 of the…

A: Speed of ball 1 intially = 7m/s  Speed of ball 2 intially= 0 Final Speed of ball 1 = 6.35 m/s…

Q: A cart of mass 2 kg moves with a velocity of 0.5 m/s along the negative x-direction. The momentum of…

A:

Q: An open railroad car of mass 15,000 kg is coasting with a speed of 25 m/s. It rains really hard for…

A: Given data: The mass of the open railroad car is M=15000 kg. The initial speed of the railroad car…

Q: Two ice skaters, Sandra and David, stand facing each other on frictionless ice. Sandra has a mass of…

A:

Q: A ball #1 moving initially with a speed of 7m/s makes an elastic collision with a ball #2 of the…

A: Let the mass of both the balls be m. Let the velocity of ball 2 after collision be v2. As the…

Q: A monkey flings a 25.8 kg coconut at a speed of 3.22 m/s. Another monkey tosses a 19.3 kg bunch of…

A:

Q: Block A has mass 1.00 kg and block B has mass 3.00 kg. The blocks collide and stick together on a…

A: Given Information Mass of Block A ma = 1 kg Mass of Block B mB = 3 kg

Q: A ball #1 moving initially with a speed of 7m/s makes an elastic collision with a ball #2 of the…

A:

Q: A 1000-kg car traveling at 25 m/s runs into the rear of a stopped car that has a mass of 1500 kg and…

A: Write the given value of this problem: m1=1000 kgv1=25 m/sm2=1500 kgv2=0 (car stopped)

Q: What is the speed of a garbage truck that is 1.20×104 kg and is initially moving at 25.0 m/s just…

A:

Q: A 1200-kg car moving at 19.4 m/s suddenly collides with a stationary car of mass 1500 kg. If the two…

A:

Q: Two freight cars, each with a mass of 10000kg collide. One was initially moving at 10m/s while the…

A: Given data:  Two freight car collide and stick together  m1 = m2 = 10000 kg V1 = 10 m/s and V2 = 0…

Q: How much impulse is needed to stop a 25kg bowling ball rolling at 9m/s?

A: The impulse need to stop the bowling ball is

Q: A 5.8 x 104 kg train car at rest is struck from behind by a second train car, traveling at 2.6 m/s.…

A:

Q: If collision is perfectly inelastic, what is their velocity after collision? • 1.4 kg-m/s to the…

A:

Q: A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the ball has a…

A: m = 0.60 kg v0 = 0 m/s p = 3.4 kg·m/s h = ?

Q: A 80 kg person running at 6.9 m/s, catches up with a 60 kg person running away from him at 5.7 m/s,…

A: This problem can be solved by using principle of momentum conservation. Initial momentum of the…

Q: A railroad car of a mass m is moving at speed v when it collides with a second railroad car of mass…

A:

Q: You are standing on a very slippery icy surface and throw a 1-kg football horizontally at a speed of…

A: Mass of football (m)=1 kg Your mass (M)=65 kg Velocity of football when released (v)=6.7 m/s

Q: A ball #1 moving initially with a speed of 5m/s makes an elastic collision with a ball #2 of the…

A:

Q: A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the ball has a…

A:

Q: A 0.625 kg basketball is thrown across the court at a speed of 5.6 m/s.What speed must a 0.490 kg…

A: Apply conservation of momentum   Initial Momentum = final momentum

Q: A block of 3kg is moving to the right at 4m/s. It then receives a force, also the the right, that…

A:

Q: A body of mass 5 kg moving with a speed of 3ms collides head on with a body of mass 3 kg moving in…

A:

Q: With a cue, the billiard ball is hit with an average force of 50 N within 10ms. If the mass of the…

A: Write the given values with suitable variables. F=50 NΔt=10 ms=0.01 sm=0.2 kg Here, F denotes the…