Question

PRACTICE IT Use the worked example above to help you solve this problenm A ball is thrown upward from the top of a building at an angle of 30.0° to the horizontal and with an initial speed of 22.0 m/s. The point of release is h 41.0 m above the ground (a) How long does it take for the ball to hit the ground? 3.103 Your response differs from the correct answer by more than 10%. Double check your calculations. S (b) Find the ball's speed at impact. 35.,83m/s (c) Find the horizontal range of the ball 59.116 | Your response differs from the correct answer by more than 10%. Double check your calculations. m EXERCISE Suppose the ball is thrown from the same height as in the PRACTICE IT problem at an angle of 39.0° below the horizontal. If it strikes the ground 31.7 m away, find the following. (Hint: For part (a), use the equation for the - displacement to eliminate vor from the equation for the y- displacement.) HINTS: GETTING STARTED STUCK! (a) the time of flight (b) the initial speed m/s (c) the speed and angle of the velocity vector with respect to the horizontal at impact speed m/s below the horizontal Need Help? Tal toTuter

Answer 1