The highest free-standing tower in north america is the cn tower in toronto, canada. from a distance of 1km from its base, the angle of elevation to the top of the tower is 28.81 degrees. find the height of the tower, rounded to two decimal places.

To run the physics cart, the fan speed of the cart is manipulated. this is the (blank) variable. the cart accelerates due to the speed of the fan. acceleration is therefore the (blank) variable. a “constant” is a parameter that stays the same regardless of the variables. one parameter of the cart that is held constant is the (blank) .

Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.

Name two kinds of practical electric pumps.