Please Help Understand

This page lists questions and answers that were posted by visitors named Please Help Understand.

Questions

The following questions were asked by visitors named Please Help Understand.

A golf ball is struck with a five iron on level ground. It lands 91.4 m away 4.20 s later. What was (a) the direction and (b) the magnitude of the initial velocity? angle=tan-1(Ry/Rx) for direction R=(Rx^2+Ry^2)^(1/2) I cannot figure out the variables and...

Answers

The following answers were posted by visitors named Please Help Understand.

For theta a got 21 and 69 as answers and they were correct. When I then plugged it back in .53/cos theta for time I got .54 and 1.4 seconds but it says these answers are wrong. Do you know where I went wrong?