A spring has a natural length of 10 cm. It takes 9 J to stretch the spring to 17 cm. How much work would it take to stretch the spring from 17 cm to 24 cm

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

The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?

Did anyone do 1.06 lab: cloud formation i need with it i go to k12 lavcame i need to get it done quick