Momentum Lab

Second page

1. What are the equations for linear momentump and kinetic energy K? Please define the variables. 2. Please define concisely and in your own words the concept of conservation. Describe conservation of momentum and kinetic energy. 3. Briefly describe the difference between elastic and inelastic collisions and give an example of each. Describe these collisions in terms of the kinetic energy and momentum. 4. A moving object collides with and sticks to a stationary object. Do the combined objects move slower, faster or at the same speed as the original moving object? 5. What is the expected value of the ratio of the final and initial momenta, pf/p; ?

7. Given the graph below answer the follow- ing questions. a. What is the value of for this system? b. If the frictional force is 1.5 N, what is FN? c. Does tripling F triple Fappled? d. Do Fpplied and Fy act in the same direction? Explain why or why not. 2 4 8 FN (N) 6 2. (N)

Determine: a) magnitude of final velocity u2 of m2 after collision b) direction of motion B (beta) of m2 after collision c) total kinetic energy of this system before collision d) was this collision between these two masses elastic or inelastic? pls explain why.. for me to understand well.   *pls answer with complete solution *THREE decimal places all final answers *provide a diagram (if applicable) * enclose all final answers with a box.   **pls help me solve this as for my preparation/review on upcoming test.   thank you so much

Problem Solving: On a separate sheet of paper solve the problems below. 1. A 10 kg mass traveling 2 m/s meets and collides elastically with a 2 kg mass traveling 4 m/s in the opposite direction. Find the final velocities of both objects. 2. A 3,000 kg truck travelling at 50 km/hr strikes a stationary 1,000 kg car, locking the two vehicles together. a) What is the final velocity of the two vehicles? b) How much of the kinetic energy is lost to the collision?

KE, PE, and Momentum Review **You will have a quiz over KE, PE, and momentum on Wednesday. Show the initial and rearranged equation as well as all numbers you plug in (with units) for each question. 1. The 2 masses below are traveling towards each other at the same velocity of 43.1m/s and experience a perfectly elastic collision. Ve m: 98 kg m 165 kg a. What is he final velocity of m, if the final velocity of m2 13.5m/s? b. What is the kinetic energy of m, before the collision?

a. Draw a diagram showing the momentum arm and the force b. What is the value of the momentum arm? write the formula and solution below. c. What is the torque at the shown point of contact of the ship woth the seabed? write your folmula and solution. d. What is the direction of the torque? e. what is the sign of the direction of the torque?

please circle answers

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Answer number 3 to 5. I don't want to waste my money here pls.

Can you please answer number 5 and all of the sub problems and show all of the steps

Provide a complete solution to each problem. 1. Garfield and Jon fought. To patch things up with Jon, Garfield caught a mouse who was eating Jon's favorite cheese in the last few days. While the mouse was sleeping on a rug, Garfield put a cage on it and drag the rug towards Jon with a constant honzontal force of 4N at a constant speed v. If Garfield's force did work at a rate of 8 W, a. How fast was he pulling on the rug? b. How much work did Garfield do in 5 s?

Number 4

What is the correct answer to this and why? Please provide an in depth explanation explaining the various aspects you need to know for this question and a step by step solution.

Stuck need help! Problem is attached. please view attachment before answering.  Really struggling with this concept. Please explain so I can better understand ! Thank you so much

Answer the following questions based in Energy Skate Park Experiment: 1. Calculate the ratio of the mechanical energy at B and mechanical energy at A (EB/EA) and (EC/EB).What do these ratios tell you about the conservation of energy?2. Is the mechanical energy conserved between A and B? Explain3. Is the mechanical energy conserved between B and C? Explain

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Please answer number 4 and 5.

Number 6

Help Hide smartermarks.com 7. Use the following number association: 1 = vector 2= scalar Identify the following as a vector or scalar quantity, by matching it with the appropriate number. Momentum is a quantity. (a) Kinetic energy is a Impulse is a Time is a The values for a, b, c, and d are and Your answer: 0000 Use the following information to answer the next two questions An atom of thorium, initially at rest, decays into two particles with one particle having a mass 24 times greater than the other particle. Immediately after the thorium atom decays, the larger particle moves to the left with a velocity of 2.70x104 m/s. 8. The magnitude of the velocity of the particle with less mass, expressed in scientific notation, is a.bc x 10d m/s. The values of a, b, c and d are. and (Record your answer in the numerical-response section below.) Your answer: 0000 9. The system can be considered because EPIC O GAMES MacBook Air quantity. (b) quantity. (c) quantity. (d) i tv 32 Smarter Marks ::…

Force, F (N) 2. Impulse Ball-Drop Example. Compare your Experimentation/Simulations from previous lab and this Impulse Ball Simulation! A ball is dropped from a height of 2.0 m and collides with the ground. A force measuring device on the ground shows the net force as a function of time given by the graph below. Do the following and show your work: a) Find the velocity of the ball just before the collision with the measuring device. b) Find the velocity of the ball just after the collision. c) Find the net impulse on the ball during the collision. d) Find the maximum rebound height. e) Determine whether energy is lost during the collision. 400 350 300 2 250 200 150 100 50 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 time, t (s) a.

Problem Solving, write all your computations and always encircle your final answer. This is all about General Physics 1: Impulse and Momentum.

P1

Check Your Understanding Quipper Solve the following problems. Show your pertinent solution. 1. A 200 kg missile is launched at a speed of 1,000 m/s, east. Calculate the momentum of the missile. 2. A car is moving at 25 m/s to the right with a momentum of 1000 kg m/s. Calculate the mass of the car. 3. What is the velocity of a 425 kg motorcycle moving at a momentum of 12 000 kg m/s?

1.Using your measurements from Table 1, calculate the total kinetic energy of the two carts before collision for each trial (this is the initial kinetic energy, K). Show your calculations below and record your results in Table 2. 2. Using your measurements from Table 1, calculate the total kinetic energy of the two carts after collision for each trial (this is the final kinetic energy, Kʹ). Show your calculations below and record your results in Table 2. 3. Calculate the % change in kinetic energy during the collision for each trial. Show your calculations below and record your results in Table 2. % change = final − initia/ initial × 100 4.You will probably find that the total momentum changed slightly during each trial. Explain what might have caused the total momentum of your system to change during the collisions. 5.You should have found that the collision reduced the total kinetic energy of your system in each trial. Where did the kinetic energy lost during the collision go? In…

Flash Check Direction: Answer the following questions briefly. Show the given, formula, solution and final answer for problem solving. 1. Compare and contrast elastic and inelastic collision using Venn Diagram. 2. Determine the momentum of a 40-kg freshman moving southward at 2 m/s. 3. Alfred whizzes around the ice-skating rink and suddenly sees his small brother Aldrich at rest directly in his path. Rather than knock him over, he picks Aldrich up and continues in motion without stopping. Consider both Alfred and Aldrich as parts of one system, and there are no outside forces acting on it. Answer the following. Before collision: Mass (kg) Velocity (m/s) 3 Momentum (kg-m/s) 1. Alfred 60 Aldrich 35 2. Total Momentum 3. After Collision 4. Does Alfred's speed increase or decrease? 5. Does Aldrich's speed increase or decrease? 6. What is the total mass of the boys? 7. What is the total momentum of the boys? 8. What is the new speed of both boys after collision?

Show calculation and write down what is given and known.  draw a sketch of the system if needed 1. A 10-g bullet moving horizontally strikes and passes through a 4.0-kg block moving with a speed of 4.2 m/s in the opposite direction on a horizontal, frictionless surface. If the block is brought to rest by the collision, and the bullet emerges with a speed of 320m/s, what is the initial speed of the bullet?

Directions: Write the letter of the best answer on your answer sheet. 1.If there is no external force acting on the system, what is the total momentum of the system after collision? A. O B. 0.50 kg m/s C. 1.0 kg m/s D. -1.0 kg m/s 2. A billiard ball collides with a stationary identical billiard ball in an elastic head on collision. After the collision, which of the following is true of the first ball? A. It maintains its initial velocity. C. It comes to rest. B. It has one-half its initial velocity. D. It moves in the opposite direction. 3. Which of the following is true about the Law of Conservation of Momentum A. The initial momentum of the system is not the same after the collision B. The initial and final momentum of the system are the same after the collision C. The total momentum of the system does not change D. The total momentum of the system does not change if there is no external force acting on it.

Answer the below question. Please show all of your work and explain what you are doing in the different steps of your working out. Please write out an explanation to answer the question and make a small diagram of what is happening.

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