Two persons on ice skates stand face to face and then push each other away (see figure below). Their masses are 65 and 80 kg.   Find the ratio of their speeds immediately afterward. v65 kg v80 kg  = __________________

Q: what is momentum? choose all that apply.   A. Mass in motion   B. Inertia   C. Inertia in…

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Q: How can you increase the linear momentum of something? A A. Increase its mass. B B. Increase its…

A: According to question we need to define  linear momentum.

Q: Position in Knife-edge Mass of the Meterstick Length of the Longer Side L (cm) (A) Hanging Length of…

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Q: compute the force (in N) needed to accelerate a 1,030 kg car from 0 to 23 m/s in 14 s.

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Q: The figure below is for a 0.5 kg object p(kg m/s) 30.0 25.0 20.0 15.0 10.0 5.0 2.0 4.0 t(s) Find the…

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Q: Margie and Bill, both with brand new roller blades, are at rest facing each other in the parking…

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Q: The figure below is for a 5 kg object. v(m/s) 50.0 40.0 30.0 20.0 10.0 2.0 4.0 6.0 t(s) a) Find the…

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Q: A block of  mass  m1 = 14 kg moving with a speed of  v1=21m/s collides with a second block of mass…

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Q: A rocket ship is travelling through space as seen in the diagram below. The Fuselage section has a…

A: Here,  mass of fuselage, mf = 505 Kg mass of Nose cone, mn = 142 Kg Before separation -  Velocity of…

Q: A body of mass 5kg is moving with an initial momentum of 75 kg m/s. A force is applied to it so that…

A: Given:  Body's mass→m=5 kg Initial momentum→Pi=75 kg m/s Time taken→t=25 s Final velocity →vf=35 m/s…

Q: Two astronauts in space are initially holding on to each other. One astronaut and his space suit…

A: Given, mass of male astronaut and his space suit , ma = 136 kg mass of female astronaut and his…

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Q: Which of the following statement is true?…

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Q: Maxim machine gun fires 445 bullets per minute. Each bullet has a mass of 13g and a velocity of…

A: Write the given values of the problem- Mass of the bullet=13 g velocity=674 m/s Maxim machine gun…

Q: Dan is gliding on his skateboard at 2.0 m/s . He suddenly jumps backward off the skateboard, kicking…

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Q: Use the following information to answer questions 20 and 21. Two cars, each with a mass of 1000 kg,…

A: Given : Mass of both car, M = 1000kg  Velocity of first car, v1 = 30 m/s (+x direction) Velocity of…

Q: During a crash test, a car with mass 851 kg traveling at 22 m/s slams into a concrete barrier,…

A: Dear student The impulse imparted is given by: I = Change in momentum = F.∆t Here F = force ∆t =…

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A: Given Ass of a truck = 2 500 kg truck moving at speed =10.00 m/s After collision the two continue to…

Q: cat with a momentum of 41 kg m/s is running at 8.5 m/s . What is the cat's mass?

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Q: james and ramon are standing 20 m apart on the slippery surface of a frozen pond. ramon has mass 60…

A: Given: Initial distance between them d=20m Mass of Ramon mr=60 kg Mass of James mj=90 kg Distance…

Q: A car travels in a straight line at 1.62 m/s. Its momentum is 8.87 kg-m/s. What is its mass? (use…

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Q: A 500kg car exerts 5,000,000 N of force (5x106 N) on a 100 kg billboard (large advertisement)…

A: According to Newton's third law of motion for every action, there is an equal and opposite…

Q: Imagine you are ice skating with your best friend. Both of you are at rest when you shove him/her…

A: To solve the given question we will use conservation of momentum.

Q: The masses of the Atwood's machine are M = 7.563 kg and m = 2.214 kg. The acceleration (m/s2) of the…

A: M = 7.563 kg and m = 2.214 kg g= 9.8 m/s2   OBJECTIVE= acceleration (m/s2) of the system

Q: Three objects A, B, and C are moving as shown in . A 5.0 kg B60 6.0 kg 10.0 kg 11.6 m/s , vB = 9.80…

A: Given,vA = 11.6 msvB = 9.80 msvC = 4.00 ms

Q: Anna Litical and Noah Formula are doing The Cart and the Brick Lab. They drop a brick on a 2.6 kg…

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Q: Blocks with masses of 1.2 kg, 2.4 kg, and 3.0 kg are lined up in a row on a frictionless table. All…

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Q: 1. A car with a mass of 1000 kg moves at 20 m/s. What average braking force is needed to bring the…

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Q: The figure below is for a 5 kg object. v(m/s) 50.0 40.0 30.0 20.0 10.0 2.0 4.0 6.0 t(s) a) Find the…

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Q: The figure below is for a 50 kg object v(m/s) 100.0 80.0 60.0 40.0 20.0 2.0 4.0 t(s) Find the…

A: As per our guidelines we are supposed to answer only first three parts of question. Please post…

Q: 0.070 kg weighted mass by the clay ball was shot upwards, traveling 1.0 m before hitting and…

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Q: An object of mass 10 kg has a momentum of 15 kg m/s. Find the average force required to accelerate…

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Q: A 50 kg ice skater moving 6 m/a collides with a secend stationary scatter mass with mass 70 kg. Tje…

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Q: Which of Newton's three laws of motion is best demonstated in the following scenario? (Please use…

A: In this case we have to use Newton's 2nd law of motion. Which is , F = ma where F = force , m = mass…

Q: A truck of mass 2500 kg was traveling north at 20 m/s along a street. A sports car of mass 1200 kg…

A: lets consider east as i  and north as j   momentum of truck is = mv j = 2500x20 j = 50000 j…

Q: Three particles are located on the X-axis. A particle of mass 20 g is located at 0 m. A second…

A: Given value--- m1 = 20 g at x = 0m. m2 = 20 g at x = 1m. m3 = 26 g  We have to find--- x3 = ?

Q: Ball #1 mass= 1.0 kg Ball #2 1 velocity = 1.7 m/s 2 mass= 1.5 kg velocity = 0.0 m/s What is the…

A: Given data: Mass of ball 1, m1=1 kg Velocity of ball 1, v1=1.7 m/s Mass of ball 2, m2=1.5 kg…

Q: A capsule (mass=8 x10² kg) and booster (mass = 3 x10³ kg) are traveling at 1.8 x103 m/s when…

A: Given Information:- Mass of the capsule is mc=8×102 kg. Mass of the booster is mb=3×103 Kg. Initial…

Q: A 81.1 kg blue bumper car and rider are traveling at 8.1 m/s. They rear end a red bumper car of mass…

A: Mass of the blue car, mb = 81.1 kgMass of the red car, mr = 71.3 kgInitial velocity of blue car, ub…

Q: Two cars collided at an intersection. Car 1 has a mass of 1460 kg with a velocity of 75 km/h going…

A: Given Data Mass of car 1 is m1=1460 kg Mass of car 2 is m2=1190 kg Initial velocity of car 1 is…

Q: What is the difference between kg‑mass and kg‑force?

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Q: A car of mass 1,829 kg collides with a wall. The initial speed of the car is 15.1 m/s. After…

A: Given data:  Mass of car (m) = 1829 kg Initial velocity (Vi) = 15.1 m/s Final velocity (Vf) = -2.9…

Q: Calculated Mass of Mass of the Meterstick Length of the Longer Side L (cm) Hanging Position in…

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Q: A ball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. If the ball…

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Q: A small truck of mass 600 kg moves with a velocity of 60 m / s. If an object of mass 1200 kg has the…

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Q: You have an elephant with mass of 15,000 kg and rhino with mass of 9,000 kg that are both…

A: The mass of an Elephant ( Me)= 15000kg The mass of Rhino (Mr) = 9000kg Both are accelerating at rate…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: