Answer :
Work must be done on the particle to cause it to move to the right at 33 m/s is 5.54 J
What is work done?
When we apply force "F" to a block, the body moves with some acceleration or, additionally, its speed increases or decreases depending on the direction of the force. The system's kinetic energy changes as speed increases or decreases. Since we are aware that energy cannot be created or destroyed, it must be changed into another form. This perspective refers to it as completed work. When negative energy is finished, the energy declines, and when positive energy is finished, the energy rises. Now, we'll see how to gauge the amount of work done.
Work Done on a Particle:
The change in a particle's kinetic energy is what is referred to as work done on a particle. The particle has an initial kinetic energy if it is originally moving. However, there is also a change in the particle's kinetic energy if its direction of travel changes.
u=29m/s
v=43m/s
from work- energy theorem
W=change in K.E
= 1/2mv^2 -1/2mu^2
= 1/2m(v^2 - (-u)^2)
=0.5*0.011*(43*43-29*29)
W=5.54 J
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