A particle of mass .m. is driven by a machine that delivers constant power .k. walts. If the particle starts from rest the force on the particle at time .t. is

A particle of mass .m. is driven by a machine that delivers constant p

1.	A particle of mass .m. is driven by a machine that delivers constant power .k. walts. If the particle starts from rest the force on the particle at time .t. is
Answer» `sqrt(2mk)t^(-1//2)` `sqrt(MK)t^(-1//2)` `sqrt((mk)/(2))t^(-1//2)` `(1)/(2)sqrt(mk)t^(1//2)` ANSWER :C