Asked by praise
A block of mass 20kg is at rest on a rough horizontal ground,the coefficient of friction between the block and the ground is 0.3.A horizontal force is applied steadily to the block according to the law,F= t^2-t+4.calculate the time it takes the block to start moving.
Answers
Answered by
bobpursley
Time? odd question
are you telling us that
force=t^2-t+4? That is very odd indeed.
20*9.8*.3=t^2+t+4
work that out, and solve the quadratic.
are you telling us that
force=t^2-t+4? That is very odd indeed.
20*9.8*.3=t^2+t+4
work that out, and solve the quadratic.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.