A hurdler is 0.535 m from a hurdle when he jumps at 6.82 m/s at a 67.9 degree angle. what is his height when he clears the?

List one type of erosion and describe how it happens?

An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2

Ineed the answer to question 1 , i’m desperate