Speed distance and time

Question

1. Mary can run at a top speed of 4.2m/s, whereas Deema can run only at 3.4m/s. They are to race a distance of 200m, starting at the same point. If the race is to end in a tie, how much sooner should Deema start running before Mary does.

Answer

Ask An Expert

AssignmentWork Payment (USD)

Testimonials

Declining grades of Adam were a cause of worry for me. Thankfully a friend of mine recommended IBonlinetutors.com to me. Adam now is not only doing well with the grades but he loves the overall concept of interactive learning by Ibonlinetutors.com.

Thank you IBonlinetutors.com , for course flexibility and online resources. I would recommend Ibonlinetutors.com to every parent who is concerned about their child’s educatio in IB curricuulum.