[" 4.Certain force acting on a "20kg" mass changes its velocity from "],[5ms^(-1)" to "2ms^(-1)" .Calculate the work done by the force."]

Certain force acting on a 20 kg mass changes it velocity from 5ms^(-1) " to " 2 ms^(-1) . Calculate the work done by the force ?

Certain force acting on a 20 kg mass changes its velocity from 5 ms^(-1) to 2 ms^(1) . Calculate the work done by the force.

Certain force acting on a 20 kg mass changes its velocity from 5 m s^-1 to 2m s^-1 . Calculate the work done by the force.

Certain force acting on a 20 kg mass changes its velocity from 5m//s to 2m//s . calculate the work done by the force.

Certain force acting on a 20 kg mass changes its velocity from 5m//s to 2m//s . calculate the work done by the force.

A force acting on a 10 kg mass changes its velocity form 54 km/h to 90 km/h. Calculatethe work done by the force.

A force applied on a particle of mass 2 kg changes its velocity from (hati + 2 hatj ) ms^(-1) "to" (4hati +6hatj )ms^(-1) ​. The work done by the force in this process is :-