(Force x Distance) Magnitude of velocity help

In summary, the conversation involves a 2KG mass with a graph showing an increase in force after 3 meters east to 4 Newtons, maintaining 4 Newtons for 2 more meters east, and then decreasing back to 0 after 7 meters in a \/__/\ shape. The person is trying to find the magnitude of velocity at 7.4 meters using the equation 1/2 MV^2. They already know the answer (4.2 M/s) and are attempting to show their work. The solution involves calculating the work done for each distance segment and creating suitable expressions for the changing force.
  • #1
Barukun
1
0

Homework Statement


A 2KG mass has been graphed to increase in force after 3 meters east to 4 Newtons. it maintains 4 Newtons for 2 more meters east and then decreases back to 0 after 7 meters
..._
_/..\__...__ shape graph. I am trying to find out its magnitude of velocity at 7.4 Meters.
...^.|_|

Around about where the arrow is. (ignore the . they are just placeholders to try and show the graph shape)

Homework Equations



1/2 MV^2

The Attempt at a Solution



I already know the answer, i am trying to do the workings out. It equals 4.2 M/s
 
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  • #2
You've got forces and distances that they are applied. Looks like you should be able to calculate the work done for each distance segment. You'll have to concoct suitable expressions for the force with respect to distance for the segments where the force is changing.
 

FAQ: (Force x Distance) Magnitude of velocity help

What is (Force x Distance) Magnitude of velocity?

(Force x Distance) Magnitude of velocity is a physical quantity that describes the strength and direction of an object's motion. It is calculated by multiplying the force acting on an object by the distance it travels in the direction of the force.

Why is (Force x Distance) Magnitude of velocity important?

(Force x Distance) Magnitude of velocity is important because it helps us understand the motion of objects and allows us to make predictions about their future position and speed. It is also a fundamental concept in physics and is used in many equations and formulas.

How is (Force x Distance) Magnitude of velocity different from speed?

While speed only measures how fast an object is moving, (Force x Distance) Magnitude of velocity takes into account the direction of motion as well. This means that two objects can have the same speed but different (Force x Distance) Magnitude of velocities if they are moving in different directions.

What is the unit of measurement for (Force x Distance) Magnitude of velocity?

The unit of measurement for (Force x Distance) Magnitude of velocity depends on the units used for force and distance. In the SI system, the unit is meters per second squared (m/s^2).

How can (Force x Distance) Magnitude of velocity be calculated?

(Force x Distance) Magnitude of velocity can be calculated by multiplying the force acting on an object by the distance it travels in the direction of the force. This can be represented by the formula v = F x d, where v is the (Force x Distance) Magnitude of velocity, F is the force, and d is the distance.

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