Show all working explaining detailly each step.Answer a(iii) & (iv) (iv) During the part of the motionrepresented by OB on the graph,the constant resultant force found in(iii) is acting on the moving caralthough it is inoving through air.Sketch a graph to show how thedriving force would have to vary withtime to produce this constant accel-eration. Explain the shape of yourgraph.(b) If, when travelling at this maximumspeed, the 1000 kg car had struck andremained attached to a stationary vehicleof mass 1500 kg, with what speed wouldthe interlocked vehicles have travelledimmediately after collision?Calculate the kinetic energy of the car justprior to this collision and the kineticenergy of the interlocked vehicles justafterwards. Comment upon the valuesobtained.Explain how certain design features in amodern car help to protect the driver of acar in such a collision.[L] A60 (a) A cur of mass 1000 kg is initiolly at rest. Itmoves along a straight road for 20 s andthen comes to rest again. The speed-timegraph for the movement is:vims2010101520 ts(i) What is the total distance travelled?(ii) What resultant force acts on the carduring the part of the motionrepresented by CD?(ii) What is the momentum of the carwhen it has reached its maximumspeed? Use this momentum value tofind the constant resultant acceler-ating force.

Given: m=1000 kg vehicle travels in a straight line for 20 s with the velocity curve shown To Find:…

A60 (a) A car of mass 1000 kg is initially at rest. It moves along a straight road for 20s and then comes to rest again. The speed-time graph for the movement is: wims 20 10 10 15 20 bs (i) What is the total distance travelled? (ii) What resultant force acts on the car during the part of the motion represented by CD? (i) What is the momentum of the car when it has reached its maximum speed? Use this momentum value to find the constant resultant acceler- ating force.

A60 (a) A car of mass 1000 kg is initially at rest. It moves along a straight road for 20s and then comes to rest again. The speed-time graph for the movement is: wims 20 10 10 15 20 bs (i) What is the total distance travelled? (ii) What resultant force acts on the car during the part of the motion represented by CD? (i) What is the momentum of the car when it has reached its maximum speed? Use this momentum value to find the constant resultant acceler- ating force.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.

Question

Show all working explaining detailly each step.

Answer a(iii) & (iv)

(iv) During the part of the motion
represented by OB on the graph,
the constant resultant force found in
(iii) is acting on the moving car
although it is inoving through air.
Sketch a graph to show how the
driving force would have to vary with
time to produce this constant accel-
eration. Explain the shape of your
graph.
(b) If, when travelling at this maximum
speed, the 1000 kg car had struck and
remained attached to a stationary vehicle
of mass 1500 kg, with what speed would
the interlocked vehicles have travelled
immediately after collision?
Calculate the kinetic energy of the car just
prior to this collision and the kinetic
energy of the interlocked vehicles just
afterwards. Comment upon the values
obtained.
Explain how certain design features in a
modern car help to protect the driver of a
car in such a collision.
[L]

A60 (a) A cur of mass 1000 kg is initiolly at rest. It
moves along a straight road for 20 s and
then comes to rest again. The speed-time
graph for the movement is:
vims
20
10
10
15
20 ts
(i) What is the total distance travelled?
(ii) What resultant force acts on the car
during the part of the motion
represented by CD?
(ii) What is the momentum of the car
when it has reached its maximum
speed? Use this momentum value to
find the constant resultant acceler-
ating force.

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