launched from a 20-ft tower is modeled by the equation y = -16t² + 32t + 20. Part A Select the graph of the equation. Part B What is the maximum height, in feet, reached by the projectile? 80 60 (A) 40 20 32 24 B 16 8 ty ty 1 LEEPUVCLU 2 3 i ova S

A vector has the components Ax=22mAx=22m and Ay=16mAy=16m. a) What is the magnitude of this vector? Express your answer to two significant figures and include appropriate units.   b) What angle does this vector make with the positive x axis? Express your answer to two significant figures and include appropriate units.

what are the magnitude and angle of a vector with these components?  Bx= 7.8 m and By= 10.2 m

Vector A= -6i+4j Vector B= -3i-8j How do you find the quantity of abs(A+B)?

A girl starts from the point A walks 8.0 m east, then 5.0 m south 3.0 m west, and finally 4.0 m to the north to a point B. The displacement from the point A to the point B is?

In the following calculations, be sure to express the answer in standard scientific notation with the appropriate number of significant figures. 3.78 x < 107 g – 4.701 × 105 g - x 10 g

A ball is thrown at an initial height of 65 feet at an initial velocity of 75 feet/second at an angle of 65 degrees. Given the parametric equations yY = - - 16t + Vo · Sin(0)t + ho and x = Vo Cos(0)t. When doing calculations, carry 5 digits of accuracy, so your round off does not build up. a. What is the ball's height in 3 seconds? feet. seconds. b. When will the object hit the ground? feet. c. How far horizontally will the ball be when it hits the ground? seconds. d. When will the ball be at its maximum height? e. What is the ball's maximum height? feet. feet f. How far horizontally will the ball be when it reaches its maximum height?

5. When 12 times a number is added to the square of that number, the result is ‒32.  Determine the two numbers that fit this condition. Answer step-by-steps. 6. A cannonball is fired from ground level on an arc described by h = ‒t2 + 8t, where h = the height in metres and t is the time in seconds.  How many seconds after firing will it land? Answer step-by-steps.

The vector A has a magnitude of 4.0 meters and points in the -x direction. The vector B has a magnitude of 3.0 meters and points in the +y direction. Vector C is defined so that C - A + B = 0. What is the magnitude and direction of vector C? Give your answers to 2 significant figures.

The magnitude of Ais 5.5 m, and this vector lies in the second quadrant and makes an angle of 34 ° with the +y-axis. What is the x-component?