A 20 kg object has an eastward momentum of 120 kg m/s. It encounters a westward impulse of 40 N*s. What is the magnitude of the final momentum of the object?

Q: 1.Object 1 has a mass m1 and a velocity v1 = (2.80 m/s)x. Object 2 has a mass m2 and a velocity v2 =…

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Q: 14. A 1000 kg car is traveling east at 15 m/s and is hit from behind and receives a forward impulse…

A: Given : mass of car = 1000 kg Speed of car, v = 15 m/s Impulse = 6000 N-s

Q: A baseball (mass = 0.145kg) traveling to the left at 27m/s. It is hit by a bat and ends up traveling…

A: Given data: Mass (m) = 0.145 kg Initial velocity (Vi) = 27 m/s, to the left Final velocity (Vf) = 41…

Q: A 0.7kg rubber ball is moving horizontally at 5m/s and strikes a wall, then bounces back with a…

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Q: Bubba in his pickup truck (3000 kg), traveling East (+x) at 20.0 m/s, catches up to and collides…

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Q: A group of engineers is testing collision safety for a new car. They are finding the impulse on the…

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Q: 90.1 kg object takes 32.4 s to stop from an initial speed of 8.4 m/s.  What is the magnitud

A: Given mass m= 90.1 kg Initial speed u=8.4 m/s Final velocity v=0 Time t =32.4 sec

Q: m The mass of a dog is 33.0 kg. The dog runs into a bouncy wall at 8.60 and m bounces back in the…

A: Given Mass of dog (m)=33kg Before collision velocity (u)=8.60m/s After collision velocity (v)=…

Q: A 5.0-oz baseball arrives at the bat with a speed of 160 ft/s. It remains in contact with the bat…

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Q: A ball of mass m is falling towards the ground. Just before it reaches the ground, its speed is v.…

A: Impulse is defined as the change in momentum of the ball when it hits the ground velocity before…

Q: A 180 g ball is dropped from a height of 2.2 m, bounces on a hard floor, and rebounds to a height of…

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Q: A 0.250 kg ball is thrown with a speed of 27.5 m/s and is then batted back towards the pitcher with…

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Q: A 0.30 kg softball has a velocity of 12 m/s at an angle of 28° below the horizontal just before…

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Q: Rebecca is driving her buggy with a speed of 35.0 m/s when she suddenly slams on her brakes to avoid…

A: Given :      Speed, v = 35.0 m/s      Time with airbag, t1 = 0.500 s     Time without airbag, t2 =…

Q: A 1.00 kg ball is tossed at 4 m/s. How many N.s of momentum does the ball have?

A: given , mass of the ball , m = 1 kg velocity of the ball , v = 4 m/s

Q: Two rams are fighting and run straight at each other. Ram 1 has m1 = 115 kg and an initial velocity…

A: Collisions are of two types, they are elastic and inelastic collision. Collisions in which both…

Q: A 2100 kg truck traveling north at 41 km/h turns east and accelerates to 51 km/h. What are the…

A: The situation of the truck is shown below. Here, u is the initial velocity and v is the final…

Q: A 47 g tennis ball is served at 45 m/s. If the ball started from rest, what impulse was applied to…

A: Given data:  Mass (m) = 47 g = 0.047 kg Final velocity (Vf) = 45 m/s Initial velocity (Vi) = 0 m/s…

Q: A basketball of mass m = 625g rolls off the hoop’s rim, falls from a height of  3.05 m to the…

A: Given Mass m = 625 g = 0.625 kg Height of the hoop H = 3.05 m Bounced height h = 1.40 m

Q: Two soccer players bump into each other for a brief moment. Player 1 has a mass of 100 kg and player…

A: According to Newton's third law Forces acting in pair have equal magnitude and opposite direction

Q: A super ball and a wet lump of clay each of mass 4.0 kg, are thrown at a wall with the same speed of…

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Q: A ball with an initial velocity of 10 m/s moves at an angle 60º above the +x-direction. The ball…

A: It is given that,

Q: A professional golfer is examining a video of a practice swing. The high‑speed footage shows that…

A: ∆T=0.971 ms =0.971×10-4s1mps=0.447 m/svb=146 mph=146×0.447=65.262 m/smb=45.9…

Q: A 25 kg object and a 100 kg object collide. The graph below is for the 100 kg object. Assume…

A: The change in momentum gives impulse. f∆t=m∆v                                           ......(1)…

Q: A 0.10 kg softball is traveling at 20.00 metres per second to the left. A batter strikes the ball…

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Q: Suppose a 1.25-kg ball is thrown against a wall at a speed of 15 m/s. After it hits the wall, the…

A: Given Mass of the ball is m=1.25 kg Initial speed of the ball is v0=15 m/s Final speed of the ball…

Q: A girl on a bicycle uses 25 N of force to speed up from 2.0 m/s to 4.0 m/s in 2.0 seconds. The…

A: We have givenForce used by girl on bicycle(F)= 25 Nvelocity (u)=2.0 m/sVelocity (v)=4.0 m/stime…

Q: O0 kg m/s O 20 kg m/s O 10 kg m/s O 5 kg m/s O 2.5 kg m/s The figure shows the force exerted on a…

A: Step 1: An impulse is equal to the product of net force on the object and the time period over which…

Q: Two rams are fighting and run straight at each other. Ram 1 has m1 = 115 kg and an initial velocity…

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Q: Asteroid 1 (m₁ = 100 kg) initially moves in the y-direction with momentum p₁i = 20,000 kg m/s and…

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Q: You have two vectors: A = 7.27î + 3ĵ and B = 4î – 0.95ĵ + 12k. If vector A represents an initial…

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Q: A cricket ball of 200 g travelling horizontally with a speed of 50 m/s hits a wall and coming back…

A: change in momentum ∆p=m∆v

Q: A 130.0 g ball is moving horizontally to the west at 20.0 m/s when it is hit by a stick. The ball…

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Q: A warehouse employee is pushing a 30.0 kg desk across a floor at a constant speed of 0.50 m/s. What…

A: Given: The mass of the desk is 30.0 kg. The velocity of the desk is 0.50 m/s. Introduction: The…

Q: A spinning ball of mass 0.3 kg hits the floor with a speed of 6 m/s with the angle 0 = 30°. What are…

A: Impulse = Change in momentum Average force = Impulse X Time.

Q: 0.269 -kg volleyball approaches a player horizontally with a speed of 12.6 m/s. the player strikes…

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Q: A 46 kg skater is standing still in front of a wall. By pushing against the wall she propels herself…

A: In this problem, we are given the mass of the skater (46 kg), the velocity with which she propels…