A constant 9-N net force acts on an object for 2 seconds. What is the impulse of the force? What is the momentum change of the object? A) 4.5 Ns B) 9 Ns C) 36 Ns D) 18 Ns

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

A:

Q: A volleyball is spiked so that its incoming velocity of +2.64 m/s is changed to an outgoing velocity…

A: Given data:  Initial velocity (u) = +2.64 m/s Final velocity (v) = -18.8 m/s Mass (m) = 0.350 kg…

Q: A 42kg object is moving at +13.4m/s. After a collision, the object moved at +7.5m/s. a. Momentum…

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Q: Force (N) st Force vs. Time for Tennis Racquet on a Ball 0 0.1 0.2 0.3 0.4 0.5 Time (sec) The graph…

A: Step 1:Step 2:Step 3: Step 4:

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: 2) A 20.0 g marble is dropped from rest onto the floor 1.96 m below. a) If the marble bounces…

A: mass of marble = 20 g m = 0.02 kg h = 1.96 m

Q: An object of mass m moving with a velocity v collides into another object of the same mass which is…

A: Elastic collision: An elastic collision is one in which the system experiences no net kinetic energy…

Q: 3. A 30 kg object is traveling with a velocity of 50 m/s left. Five seconds later, the object is…

A: Given: Mass of the object is 30 kg. Initial velocity is -50 m/s. The negative sign shows the object…

Q: CJ throws a 0.15 kg baseball at a net with an average force of 120 N over 0.05 seconds. a)    What…

A: Write the given values with suitable variables. m=0.15 kgF=120 Nt=0.05 s Here, m denotes the mass, F…

Q: Mass A (2.0 kg) is moving with an initial velocity of 15 m/s in the +x-direction, and it collides…

A: Mass A (2.0 kg) is moving with an initial velocity of 15 m/s in the +x-direction, and it collides…

Q: Leni Robredo dropped a 0.4-kg steel ball straight down onto a hard, horizontal floor and bounces…

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Q: A boxer hits the punching bag with a 900 N Force, touching the bag at 0.3 seconds. a.) How much…

A: Force of hitting is F = 900 N Time of hitting is t = 0.3 s Mass of the boxer is m = 65 kg

Q: A batter applies a force of 7000 N to a baseball. The time of contact between the bat and ball is…

A: Given data:  Force (F) = 7000 N Time interval (Δt) = 0.0016 s Mass (m) = 0.14 kg Initial velocity =…

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: Suppose there are two wagons having different masses but same kinetic energies. Which of the…

A: Correct option is - I and III .

Q: a) Show that the impulse and momentum theorem i.e. / = P, - P.. b) An object from rests a height h.…

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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 volleyball is spiked so that its incoming velocity of +2.66 m/s is changed to an outgoing velocity…

A:

Q: Two ice skaters, 50-kg and 60-kg respectively, moving together at a speed of 2.0 m/s push off…

A: Two ice skaters(A and B) are facing each other, initially they are moving towards each other at a…

Q: 8. A car of mass m, is slowing down on level ground with a position as a function of time given by:…

A: Very basic problem from mechanics. Please have a good

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: A 5.0-kg disk is moving on a frictionless surface at 4.0 m/s. It collides elastically with an…

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Q: bullet is fired into a 900-g block of wood which is suspended as a ballistic pendulum. The combined…

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Q: What is the magnitude of the impulse of the bat on the ball? 600- AO4 Ns Z 400 B. 4,000 Ns C. 2.000…

A: Write the given values with suitable variables. m=0.05 kgu=-10 m/s Here, m denotes the mass and u…

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)Write an equation for kinetic energy as a function of momentum. b) Suppose an object has an…

A:

Q: 13. A 20 kg shopping cart moving at a velocity of 0.5 m/s collides with a store wall and stops. The…

A: P= momentum=mv m= 20 kg v=0.5 m/s Pinitial= 20*0.5=10 kgm/s

Q: What is the impulse acting on a golf ball if you hit it with a force of 100 N and the club applies…

A: Write the expression for the impulse and substitute the required values.

Q: An elastic collision is one in which: a. kinetic energy and momentum are both conserved b. the total…

A: Collision occurs due to internal forces only .So ,net external force acting on the system containing…

Q: A 2.00-kg object traveling east at 20.0 m/s collides with a 3.00-kg object traveling west at 10.0…

A: calculation

Q: The following table shows the values of kinetic energy and linear momentum before and after a…

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Q: A 4 kg object collides head-on with a 2 kg object as depicted below. after before 15 m/s 3 m/s 4 kg…

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Q: Problems: 1. Find the momentum for each object. a. A 500kg car traveling at 20 m/s. b. A 0.10 kg…

A: Given data, Mass of the car = 500 kg Velocity of the car = 20 m/s Mass of the fish = 0.10 kg…

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: Which of the following statements are CORRECT. * I. Impulse is a vector. Its direction is opposite…

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Q: A 3.67 kg mass is sitting on a frictionless surface. An unknown constant force pushes the mass for…

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Q: Force (N) 2004 100+ 0.001 Time (s) 0.002 0.003

A: Mass of the golf ball (m) = 4.5 gInitial velocity of golf ball will be zero before struck.

Q: 1. A ball of mass 2 kg, moving with velocity 10 m/s hits a wall and bounces back with the velocity…

A: Mass of the ball=2 Kg Initial velocity, u=10 m/s Final velocity, v=-6 m/s (Bounce back in the…

Q: A ball traveling with an initial momentum of 4.0 kg•m/s bounces off a wall and comes back in the…

A: Initial momentum, p = 4.0 kg•m/s Final momentum, P = -3.5 kg.m/s