Could you please solve these mechanics quetions

  • Thread starter sranjanr
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Hi Warren, In the first conversation, a railway wagon (A) with a mass of 10000 Kg is moving at a speed of 5 m/s and collides with an identical wagon (B) at rest. The maximum compression in spring S with a spring constant of 20 MN/m can be calculated using the equations of conservation of momentum and energy.In the second conversation, three perfectly elastic balls A, B, and C with masses of 2 Kg, 4 Kg, and 8 Kg, respectively, are moving along the same straight line with velocities of 4 m/s, 1 m/s, and 0.75 m/s. After the collision between ball A and B, the subsequent collision between ball B and
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sranjanr
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1.A railway wagon (A) of mass 10000 Kg collides with another identical wagon (B) as shown in Figure 1. If A is moving at 5 m/s and B is at rest at the time of collision, calculate maximum compression in spring S with a spring constant 20 MN/m.

2.Three perfectly elastic balls A, B, and C of masses 2 Kg, 4 Kg, and 8 Kg, respectively move along the same straight line and in the same reaction with velocities of 4 m/s,
1 m/s, and 0.75 m/s. The ball A collides with ball B and subsequently the ball B impinges with ball C. Make calculations to show that the balls B and C will be brought to rest after the impacts

3.A cannon ball fired from the ground attained a maximum height of 1 km. At this maximum height, the radius of curvature of its path was also equal to 1 Km. With this data determine the initial velocity and angle of projection from the ground. Neglect air resistance

4 A flat road has a curve segment with a radius of 100 m. While negotiating this curve, a vehicle slipped on its tyres as well as tried to roll over at a particular speed. Calculate this speed assuming a friction co-efficient of 0.5. Also calculate the height of CG of the vehicle above ground if distance between the tyres at the front or rear is 1.2 m
 
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  • #2
We will not do your homework for you. Please show your work, and tell us where you are stuck.

- Warren
 
  • #3
Hi Warren this is not a homework. I am unable to solve these problems that's why i need some help . else you can give hints how to solve ..Thanks
 
  • #4
Sorry, we do not do that here.

- Warren
 

1. How do I solve mechanics questions?

To solve mechanics questions, you need to first understand the basic concepts and principles of mechanics, such as Newton's laws of motion and the equations of motion. Then, follow a systematic approach by identifying known and unknown variables, drawing diagrams, and applying the relevant equations to solve for the unknown quantity.

2. What are some common mistakes to avoid while solving mechanics questions?

Some common mistakes to avoid include not considering all forces acting on an object, using incorrect equations or units, and not double-checking the final answer. It's important to carefully read and interpret the question and use the correct formulas and units in your calculations.

3. Can you provide some tips for solving mechanics questions?

Some tips for solving mechanics questions include practicing regularly, understanding the underlying principles behind the equations, breaking the problem down into smaller parts, and using diagrams to visualize the problem. It can also be helpful to work backwards from the answer to check your solution.

4. Are there any resources available to help with solving mechanics questions?

Yes, there are many resources available such as textbooks, online tutorials, practice problems, and study guides. You can also seek help from a tutor or join a study group to clarify any doubts and improve your problem-solving skills.

5. How can I improve my mechanics problem-solving skills?

The best way to improve your mechanics problem-solving skills is through practice and understanding the underlying concepts. Start with simple problems, and gradually move on to more complex ones. Additionally, seek feedback from your peers or instructor and analyze your mistakes to learn from them.

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