A 100 kg man and 50 kg woman on ice skates stand facing each other. If the woman pushes the man backwards so that his final speed is 1 m/s, at what speed does she recoil?

Q: 1. A force of 100 N to the right is applied to a body for 2 s. What is the impulse of the force?

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Q: A moving cart collides with a stationary cart. The carts stick together and move at the same speed.…

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Q: A 250 g arrow with a velocity of 17 m/s strikes a target and pierces the bull's-eye of a 6-kg…

A: Given:- The mass o the arrow is m = 250 g. The speed of the arrow is u = 17 m/s. The pierces the…

Q: 3. Given a graph of a force vs time on an object, such as the graph shown below, if the force is a…

A: Given, a graph of force vs time on an object. The force here is a time dependent variable. To…

Q: At time t = 0 a 2150 kg rocket in outer space fires an engine that exerts an increasing force on it…

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Q: Force-versus-time graph is shown in (Figure 1). Figure F₂ F "max n 1 (ms) T 2 4 6 8 10 0 1 of 1 0…

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Q: The principal of convservation of momentum O States that it is impossible to change the momentum of…

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Q: For the superball in the previous question, if it was in contact with the table for 33.8rms,…

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Q: A Tomahawk cruise missile is launched from the barrel of a mobile missile launcher. Neglect…

A: We know that by momentum conservation  Initial momentum=Final momentum Given that  Initial momentum…

Q: 9. Use the impulse and momentum relationship to explain why pushing a weight upward during a bench…

A: Pushing a weight upward during a bench press and riding an elevator up a floor are similar tasks…

Q: A car is pushed with a force of 450 N for 19.4 seconds. What impulse was applied to the car? Answer:

A: Given: F=450 N t=19.4 s

Q: The impulse of the force exerted by a wooden target in stopping an arrow with a speed of 400m/s is…

A: initial velocity = 400 m/s final velocity = 0 m/s ( stopping an arrow - mentioned) Impulse (J) =…

Q: How much impulse stops a 46-kg carton sliding at 4.0 m/s when it meets a rough surface?

A: Given ,    m= 46 kg    v = 4 m/s

Q: Blue exerts a constant 1333 N on white who is 200 lbs for 5 s. SHOW ALL WORK Find the changes in…

A: Given: The force exerted by blue on white is 1333 N. The mass of the white is 200 lbs. The time…

Q: During a perfectly elastic collision between two bodies, which of the following statements is always…

A: In both elastic and inelastic collisions momentum is conserved. If kinetic energy is conserved…

Q: Pls answer the given problem and what is asked on the provided image. Pls show complete solution

A: Tŕuck moving at 80km/h and another truck moving at 40km/hr

Q: In collision problems when should you use conservation of momentum and when should you use…

A: We use momentum conservation when you transfer momentum from one thing to another to preserve it.…

Q: Part A With what impulse does a 0.64-kg newspaper have to be thrown to give it a velocity of 3.7…

A: Solution:-Given thatmass of newspaper (m)=0.64 kgfinal velocity (v)=3.7 m/s

Q: PRACTICE IT Use the worked example above to help you solve this problem. In a crash test, a car of…

A: Given Data mass of the car m = 1.41×103 kginitial velocity of car vi = -15.5 m/sfinal velocity of…

Q: Describe an example of an impulse. Identify two ways you can change the impulse. For instance, how…

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Q: Explain in terms of impulse how padding reduces forces in a collision. State this in terms of a real…

A: Change in momentum or impulse is equal to the product of net external force acting on an object and…

Q: A 203 kg wooden cart moving at 57 m/s slams into a wall. It then rebounds -21 m/s. Solve for the…

A: Given that, Initial velocity,u=57 m/sFinal velocity, v=−21 m/sMass, m=203 kg Impulse is the change…

Q: Figure 11.4 in your textbook shows force and momentum graphs for a ball bouncing off a wall. Suppose…

A: How the momentum graph differ it is required to found. The concept of impulse can be used to obtain…

Q: The graph below is for a 50 kg object. Find the impulse over the entire time shown. Fnet(N) 40.0…

A: Mass of object (M) = 50 kg Force versus time graph is given in the question where , force is plotted…

Q: QUESTION 21 During a perfectly elastic collision between two bodies, which of the following…

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Q: A 0.02 kg ball is flying horizontally at 120 mps. It is struck by a force at 400 as shown. The…

A: The data given is as follows, 1. Mass of the ball, mb=0.02 kg 2. Initial speed of the wall, ub=120…

Q: Why are airbags so useful in car crashes (i.e. why is it less dangerous to collide with an airbag…

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Q: 3. a) What is the Impulse-Momentum theorem? b) Show the connection between the Impulse- Momentum…

A: Impulse momentum Theorem is the second name of newton's 2nd law .

Q: The graph below is for a 30 kg object. Find the impulse over the entire time shown. al m's/s) -10.0…

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Q: Momentum is a vector quantity.Conversely the linear momentum can be change only by a net of external…

A: Solution:

Q: What is one example of how you have used or experienced Conservation of Momentum and how does this…

A: In pool game when one ball hits another ball at rest then the other starts moving and the first ball…

Q: Victoria is standing on a boat, during a perfectly calm day.  Initially, both are not moving.  Then…

A: Let m be mass of victoria and M be mass of the boat .Initially both were not moving , hence both…

Q: Anna is playing pool, and she banks the cue ball off the rail as shown in the figure. Draw a…

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Q: A 100g ball moving to the left at 5mis strikes a vertical wall perpendicularly and rebounds…

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Q: None

A: Step 1:Determine the person's horizontal speed after catching the objectFirst, we'll use the…

Q: Explain how kinetic energy is conserved in an elastic collision but not in an inelastic collision. G…

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Q: You friend claims that momentum is mass multiplied by velocity, so things with more mass have more…

A: Momentum

Q: * Written Task 1. Prove the Impulse-Momentum Theorem through equations 2. Differentiate elastic from…

A: 1. The Impulse- Momentum theorem through equations when a net force act on an object the impulse of…