Ask Question
31 December, 02:26

Here is a formula used to work out the speed v mph of a car making an emergency stop

V=squareroot 21d

D feet is the length of the mark the cars tyres make on the road when making an emergency stop

A car makes an emergency stop the cars tyres make a mark 90 feet long work out the speed of the car give your answer correct to the nearest whole number

+1
Answers (1)
  1. 31 December, 03:46
    0
    So D = 90 ...

    V = squareroot 21 (90)

    21 (90) = 1890

    squareroot 1890 = 43.47

    V = 43.47 ... to the nearest whole number is 43mph
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Here is a formula used to work out the speed v mph of a car making an emergency stop V=squareroot 21d D feet is the length of the mark the ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers