Purchase Solution

Force and potential energy and work

Not what you're looking for?

Ask Custom Question

Please give complete solutions. Thanks!

A spring-loaded dart gun shoots a dart with a mass of 150 grams. The spring constant of the dart gun is 4000 N/m, and when the dart is placed in the gun, the spring is compressed 15 cm (See attachment for the rest).

Attachments
Purchase this Solution
Solution Summary

This solution is provided in 274 words. It answers each question with a brief equation for calculating force, work, velocity, kinetic energy and height.

Solution Preview

Mass of dart = Md = 150 g = 0.15 Kg.
Spring constant = K = 4000 N/m
Spring compression (displacement) = x =15 cm = 0.15 m

1. F = K*x = 4000*0.15 = 600 N ==> (E)

2. W = (1/2)*K*x^2 = 45 J == (C)

3. V = 21.6 m/s
K.E. = (1/2)*Md*V^2 = 35 J ==> (B)

4. % ...

Purchase this Solution
Free BrainMass Quizzes
Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

The Moon

Test your knowledge of moon phases and movement.

View More Free Quizzes
Related BrainMass Solutions

  • Understanding Work, Energy & Power

    598565 Understanding Work, Energy & Power Explain the concept of Work, Energy and Power. Also describe various types of mechanical energy compared to kinetic energy and potential energy and inter relation between them.

  • A gravitational force case is illustrated.

    at extreme positions the gravitational potential energy is maximum.At mean position the kinetic energy is maximum. Thanks and regards The solution examines the gravitational force case of a pendulum swing.

  • Physics review questions

    Potential energy can be regarded as work that is "stored"by being done against some force. 20. Potential energy and work have the same dimensions. 21. Potential energy can be unambiguously associated only with a conservative force. 22.

  • Potential Energy

    Potential energy can be defined as the capacity for doing work which arises from position or configuration. In the electrical case, a charge will exert a force on any other charge and potential energy arises from any collection of charges.

  • Forces that saved a paratrooper's life

    (a) The paratrooper had initial kinetic energy E and initial potential energy U The snow did work W to stop the paratrooper At the end, the paratrooper had no kinetic or potential energy.

  • Classical Mechanics Problems on Energy and Work

    The solutions are explained to understand the concepts of conservative force, and potential energy.

  • Work done in moving a rock.

    This is a conceptual explanation about the work done moving a rock and the potential energy in a gravitational field.

  • Modern Physics: Determining Gravitational Potential Energy

    This work done on the object is stored within it in the form of potential energy.

  • Force of Friction and Gravitation Potential Energy

    Work stored in position is potential energy, and in the case of gravity, that amount of potential energy would just be: PE = mgh.

  • Physics of a jump

    With changing height, the momentum keeps changing and so does the force incurred. Once again, the summation of work and energy in the overall system remains unchanged.

View More Related Solutions