You are standing still on a frozen lake while holding a ball. You throw the ball forward and give it momentum p. What is the magnitude of your momentum as soon as you release the ball?   A) P   B) Cannot be determined without speed   C) Zero   D) Cannot be determined without mass or speed

Q: 8. An object of mass 250 grams moving at v₁ = 1.5ms bounces off a wall at an angle of 45° without…

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Q: A small car with mass of 71.25 kg moves at 52.5 m/s and collides head-on to a 285 kg truck moving at…

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Q: A ball of mass m and speed v travels horizontally, hits a wall, and rebounds. Another ball of the…

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Q: The net force acting on a system is zero. Which one of ?the following is true .The momentum of the…

A: SOlution: Given that if net force is zero on the system, then what is it momentum

Q: Two sportscars are driving down the road. The red sportscar traveling straight west has a momentum…

A: Given data:  Initial momentum of first sportscar Pi1 = 20,000 kg.m/s, towards West Initial momentum…

Q: You hang from a tree branch, and then let go and fall toward the Earth. As you fall, the y-component…

A: Given : object ( a person ) hang from tree and fall towards the Earth. Initial y - component of…

Q: A coal car of mass m1 = 4296 kg is rolling down the tracks at a velocity of vi = 2.1 m/s when a…

A: The momentum of the system in (kg⋅m)/s before the coal is added P = m1vi P = 4296(2.1) P = 9021.6…

Q: d) What is the magnitude and direction of Vem i? Magnitude of Vem i = m/s e) What is the initial KE,…

A: According to guidelines we can solved only three subparts. Given data-  Mass of car MA=1600 kg,…

Q: momentum (kg m/sec) velocity (m/sec) BEFORE AFTER momentum (kg m/sec) U= 2 m/s U=0 U=0 U= B .C

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Q: 1. A baseball (m = 145 g), pitched horizontally to the left at 30.0 m/s, is hit back in a straight…

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Q: In a demolition derby, a car of mass M kg and velocity 5.75 m/s crashes into a car of mass 1713.51…

A: Given data: Mass of moving car = M Velocity of initially moving car (v1) = 5.75 m/s Mass of second…

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: Object A has the same momentum as object B. If the mass of object A is 3 Kg and of object B is 6 Kg,…

A: Linear momentum of an object is the product of its mass and velocity. It is given that both objects…

Q: A 1300-kgkg car is traveling at a speed of 10 m/sm/s with respect to the ground when the driver…

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Q: Which of the following statements regarding linear momentum is correct? a. Linear momentum is most…

A: Linear momentum = P P = mv m = mass of the body v = velocity of the body So, Linear momentum depend…

Q: A 5.00 kg block is sliding along a horizontal frictionless surface at 12.0 m/s in the positive…

A: GivenMass m = 5.00 kgInitial velocity u = 12.0 m/sFinal velocity v = 0.00 m/sDuration t = 68.0 x…

Q: a) What impulse occurs when an average force of 10 N is exerted on a cart for 2.5 s? b. What change…

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Q: 1. A basketball (m = 625 g) bounces up a horizontal floor. The speeds of the ball before and after…

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Q: A sprinter with a mass of 78.3 kg is running in the positive direction with a velocity of 12.2 m/s.…

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Q: A body is initially at rest. It explodes into two objects of mass 1 Kg and 2 Kg moving with a speed…

A: Given: A body is initially at rest. It explodes into two objects of mass 1 Kg and 2 Kg moving with a…

Q: Imagine a situation where an object with mass m is moving in East direction with the speed of v. The…

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Q: A small car that was moving at 23 m/s collides with a large truck that was moving at 15 m/s. Which…

A: Solution: Consider a car moving at a speed of 23 m/s colliding with a large truck that is moving at…

Q: A 900-kg car traveling east at 15.0 m/s collides with a 750-kg car traveling north at 20.0 m/s. The…

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Q: You are riding in a car that crashes into a solid wall.  The car comes to a complete stop without…

A: Mass of car= 1500kg  Velocity = 30 m/s

Q: An elephant and a hunter are having a confrontation. a. Calculate the momentum of the 2000.0-kg…

A: (a) momentum of the elephant

Q: A 4 kg chunk of ice is sliding to the right at 20 m/s on a frictionless floor completely covered…

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Q: Part A Estimate the vertical impulse due to the gravitational force exerted on the kangaroo by Earth…

A: We have to find impulse due to gravity  Fg=? Mass of kangaroo=(m)=60 kg landing time (t)=0.2/2=0.1s…

Q: A baseball is pitched at 100 mph. Please rank the following scenarios by the magnitude of the change…

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Q: Elastic Collisions Problems 25 Points Conservation of Momentum Elastic Collision Equation mAVAI + mg…

A: GIVEN : Mass of first car M= 1200 kg Mass of second car m = 1000 kg Velocity of first car  before…

Q: A student sets up an experiment to measure the momentum of a system of two air cars, A and B, of…

A: Collision of two cars

Q: An astronaut whose mass is 80 kg carries an empty oxygen tank with a mass of 10 kg. She throws the…

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Q: Carl was looking at his phone when he drove into Lincoln's busy parking lot last Friday morning.…

A: Mass of car (M) = 1300 kg initial speed of car (u) = 11 m/stime taken to stop the car (t) = 0.14…

Q: The graph illustrates variable force F being applied for time t to an object which moves…

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Q: Two masses of 1 g and 7 g are moving with equal kinetic energies. The ratio of the magnitudes of…

A: ANSWER = 0.38 ( option C )

Q: An instructor fires an arrow into a wooden block suspended by strings, as shown. If the mass of the…

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Q: 4) Two cars approach a snow covered (frictionless) intersection. VAI 10 i m/s. Car B has mass MB…

A: Given: Only  3 parts can be answered. Mass of car A = MA =1600 kg Velocity of car A = VA1 =10 i m/s…

Q: A 5 kg car traveling at 3 m/s collides with a 4 kg cart traveling towards it at 4 m/s. After the…

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Q: 1. that is initially moving to the left with a speed of 1.55 m/s. After the collision, the 800 g…

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Q: Two air track carts move along an air track towards each other. Cart A has a mass of 450 g and moves…

A: Given:-  The mass of cart A is mA = 450 g  Cart A moves toward the right with the speed ofvA = 0.850…

Q: 3. The graph below is for a 50 kg object. x(m) 60.0 50.0 40.0 30.0 20.0 10.0 -10.0 -20.0 2.0 4.0…

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Q: D. Zero Q2: A system consists of three particles located as shown. The masses of the particles are…

A: Given,  m1=m2= 1 kg m3= 1.5 kg We Need to calculate,  Centre of mass of the system rCM=?

Q: (1) A large moving ball collides with a small stationary ball. The momentum  a. of the large ball…

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Q: An object has a force of 1500 N exerted in 3500 m/s for 0.0065 hours. (Convert hours to seconds) a.…

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